an analysis of variance is used to evaluate the mean differences for a research study comparing three treatment conditions and the same number of scores in each sample. if ssbetween treatments
Answers
The analysis of variance (ANOVA) is a statistical method in a research study. The sum of squares between treatments (SSbetween) is a measure of the variability between the treatment conditions.
ANOVA breaks down the total variability in the data into different components to determine the sources of variation. SSbetween represents the variation between the treatment conditions and provides information about the differences among the means. By comparing the mean square between treatments (MSbetween) with the mean square within treatments (MSwithin), we can determine if the observed differences between the treatment conditions are statistically significant.
If SSbetween is relatively large compared to MSwithin, it suggests that the treatment conditions have a significant effect on the dependent variable. This means that the means of the treatment groups are significantly different from each other, indicating that the treatments are having an impact. On the other hand, if SSbetween is small compared to MSwithin, it suggests that the treatment conditions do not have a significant effect, and any differences observed between the treatment means may be due to random variation or chance.
In conclusion, the SSbetween in an ANOVA analysis provides valuable insights into the differences among treatment conditions in a research study. It helps determine if the observed mean differences are statistically significant, shedding light on the effectiveness or impact of different treatments.
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Related Questions
when compared to quantitative and qualitative research respectively mixed methods research tends to be more complex or easier
Answers
Mixed methods research tends to be more complex when compared to quantitative and qualitative research respectively. This is because mixed methods research combines both quantitative and qualitative research methods in a single study.
Quantitative research involves the collection and analysis of numerical data, while qualitative research involves the collection and analysis of non-numerical data, such as words, images, and sounds.
Mixed methods research, on the other hand, involves the collection and analysis of both types of data. This requires the researcher to have a deeper understanding of both quantitative and qualitative research methods, as well as the ability to integrate the two types of data in a meaningful way.
Furthermore, mixed methods research often involves the use of multiple data sources, multiple research methods, and multiple levels of analysis. This adds an additional layer of complexity to the research process.
As a result, mixed methods research tends to be more complex than either quantitative or qualitative research alone.
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What is the mathematical model of an AST for a BL statement?
Answers
The mathematical model of an abstract syntax tree (AST) for a programming language's block (BL) statement typically involves representing the syntax of the statement using a tree structure.
This tree structure consists of nodes that correspond to different components of the statement, such as keywords, variables, operators, and expressions. The AST provides a way to parse and interpret the syntax of the statement, allowing for efficient compilation and execution of the code.
The model can be represented using various algorithms and data structures, such as recursive descent parsing or top-down parsing. Ultimately, the AST serves as a tool for developers to analyze, optimize, and debug their code, and is an essential component of many modern programming languages.
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Gravel is being dumped from a conveyor belt at a rate of 30 ft 3ymin, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 10 ft high
Answers
The rate at which the height of the pile is increasing when it is 10 ft high is approximately 3.819 ft/min.
Given the following data: Gravel is being dumped from a conveyor belt at a rate of 30 ft3/min.
Its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal.
The pile is 10 ft high.
To determine how fast the height of the pile is increasing, we need to differentiate the formula for the volume of a cone with respect to time.
We know that the volume of a cone is given by: \(V = (1/3)πr²h\)
We are given that the base diameter and the height of the cone are always equal, so we can write: r = (d/2)and h = d
where d is the diameter of the base of the cone.
The volume of the cone is given by: V = (1/3)π(d/2)²d
Simplifying, we get:\(V = (1/12)πd³\)
Differentiating both sides with respect to time, we get:
dV/dt = (1/4)πd² (dd/dt)
We are given that dV/dt = 30 ft³/min, and we want to find dd/dt when h = 10 ft.
Substituting V = (1/3)π(10/2)²(10)
= (1/3)π(25)(10)
= (250/3)π and d = 10,
we get:
30 = (1/4)π(10²)(dd/dt)
Simplifying, we get:
dd/dt = 12/π
The rate at which the height of the pile is increasing when it is 10 ft high is approximately 3.819 ft/min.
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if there is a sample, the standard error is used in the denominator of the z stat or t stat formula. group of answer choices true false
Answers
It is correct to state that if there is a sample, the standard error is used in the denominator of the z stat or t stat formula.
What is the formula for the test statistic?The t-distribution is used when we have the standard deviation for the sample instead of the population, hence the equation is given as follows:
\(t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}\)
In which:
\(\overline{x}\) is the sample mean.\(\mu\) is the value tested at the null hypothesis.s is the standard deviation of the sample.n is the sample size.The standard error is modeled as follows:
\(s_e = \frac{s}{\sqrt{n}}\)
Which is the denominator of the formula for the test statistic, hence the statement is true.
When we have the standard deviation for the population, we use the z-distribution, however the formula for the standard error is similar.
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Devon is hired by the city to create a scale mural of a local park. devon is exactly 6 feet tall but in the mural, he is 4.5 feet tall. if the tree in the park is 30 feet tall, how tall should the tree be in the mural?
Answers
The tree should be 22.5 feet tall in the mural.
To determine the height of the tree in the mural, we can set up a proportion based on the scale ratio between Devon's height and the height of the tree.
Let's denote the height of the tree in the mural as 'x'.
According to the given information:
Devon's actual height: 6 feet
Devon's height in the mural: 4.5 feet
Tree's actual height: 30 feet
Setting up the proportion:
(Devon's height in the mural) / (Devon's actual height) = (Tree's height in the mural) / (Tree's actual height)
Substituting the given values:
4.5 feet / 6 feet = x / 30 feet
To solve for 'x', we can cross-multiply:
4.5 feet * 30 feet = 6 feet * x
135 feet = 6x
Divide both sides by 6:
x = 135 feet / 6
Simplifying the division:
x = 22.5 feet
Therefore, in the painting, the tree should stand 22.5 feet tall.
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A toy manufacturer produces its toys according to the production function: (10 PTS) Q = 4K + 5L where Q = output of toys per hour K = capital input per hour L = labor input per hour Answer the following questions. YOU MUST SHOW YOUR WORK TO RECEIVE CREDIT. a) If K = 20, how much L is needed to produce 400 toys per hour? b) If L = 40, how much K is needed to produce 500 toys per hour?
Answers
a) To find out how much L is needed to produce 400 toys per hour when K is equal to 20, we can use the production function formula provided, which is Q = 4K + 5L.
To solve for L, we can rearrange the formula as follows: Q - 4K = 5L 400 - 4(20) = 5L 320 = 5L L = 64
Therefore, to produce 400 toys per hour with K = 20, the manufacturer would need 64 units of labor input per hour.
b) Similarly, to find out how much K is needed to produce 500 toys per hour when L is equal to 40, we can use the production function formula: Q = 4K + 5L
Substituting the given values, we get: 500 = 4K + 5(40) 500 = 4K + 200 4K = 300 K = 75
Therefore, to produce 500 toys per hour with L = 40, the manufacturer would need 75 units of capital input per hour.
In conclusion, the production function formula provides a useful tool for toy manufacturers to produce a desired level of output. By manipulating the formula, the manufacturer can also calculate the maximum output possible given a certain combination of inputs.
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how much money is 10 quarters 17 dimes 40 nickels and 15 pennies
Answers
Answer:
$6.35
Step-by-step explanation:
10 quarters =
10 × .25 = $2.50
17 dimes =
17 × .10 = $1.70
40 nickels =
40 × .05 = $2.00
15 pennies =
15 × .01 = $0.15
2.50+1.70+2.00+.15
= 6.35
The total is $6.35.
The diameter of the wheel of a unicycle is 0.6m. lisa tries to ride the unicycle and manages to go in a straight line for 30 full revolutions before falling off. how far did lisa manage to cycle in metres? give your answer rounded to 1 dp.
Answers
Lisa manages to cycle 56.52 m before falling off if the diameter of the wheel of a unicycle is 0.6m.
What is the circumference of a circle?The circumference of a circle refers to the straight line distance around it. In other words, if you open a circle and draw a straight line, the length of that line will be the circumference. The circumference is the total distance around the circle. Then find the perimeter using the formula C = 2πr.
Given,
Diameter of the wheel of a unicycle = 0.6 m
Radius of the wheel of a unicycle = 0.3 m
Number of revolutions before falling off = 32
Circumference (C) = 2 x pi x radius
= 2 × π × r
= 2 × 3.14 × 0.3
= 1.884 m
Total distance travelled by Lisa = 30 × 1.884
= 56.52 m
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Roberto invested a total of $10,000, part at 6% and part at 9%. How much did he invest in the LOWER interest account if the total interest earned in one year was $810?
Answers
The amount invested in the lower interest account of 6% is $3,000
What is the interest on each account?
The interest on each account can be determined as the amount invested in the account multiplied by the interest rate earned by the account
Amount invested in the lower interest is X(assumed), as a result, the interest earned on the lower interest rate account is X multiplied by 6%
interest on lower interest account=0.06X
The balance remaining after having invested X in lower interest account is $10,000-X
interest on higher interest account=9%*($10,000-X)
interest on higher interest account=900-0.09X
total interest=0.06X+900-0.09X
total interest=$810
810=0.06X+900-0.09X
810=900-0.03X
0.03X=900-810
0.03X=90
X=90/0.03
X= LOWER interest account amount=$3,000
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I NEED HELP PLZ (no links!)
Name the planet (including Pluto) in order from smallest to largest
Answers
Answer:
Mecury
Mars
Venus
Earth
Neptune
Uranus
Saturn
Jupiter
Find the least common denominator for these
two rational expressions.
-4
-1
4y²
Enter the correct answer.
Answers
Answer:
4y^2
Step-by-step explanation:
least common denominator is 4y^2
What is the volume of this container?
Answers
Answer:
1,253 in³
Step-by-step explanation:
The container can be split into two rectangular prisms. Adding their volumes together will give us the volume of the container.
The formula for the volume of a rectangular prism is length×width×height or base×height
Let's substitute!
(l×w×h)+(l×w×h)
=(7×5×5)+(11×14×7)
=175+1078
=1,253 in³
Hope this helps!
Solve. 2(n - 1) + 4n = 2 ( 3n - 1 ) please help ASAP
Answers
Answer:
0
Step-by-step explanation:
2(n - 1) + 4n = 2 ( 3n - 1 )
2n - 2 + 4n = 6n - 2
6n - 2 = 6n - 2
6n - 6n = -2 + 2
0 = 0
As the department manager, you've just been informed the organization is having to cut back on expenses This means some departments likely will incur employee losses. You are to attend a managers meeting to justify your department's current budget. The best chart to show how your department's expenses compare to the total company's expenses, and hopefully save employee jobs, would be: column chart line chart bar chart pie chart
Answers
Answer:
The best chart to show how your department's expenses compare to the total company's expenses, and hopefully save employee jobs, would be:
Pie Chart
Step-by-step explanation:
FH bisects ZEFG. Find the indicated
angle measures.
m/GFH=71°. Find m/EFH and
m/EFG.
m/EFH=
m/EFG =
Answers
From the information provided the measure of the angles are given as,
m ∠EFH = 71; and m ∠EFG = 142°.
Angles are measured in degrees, which is why they are called "degrees". A complete circle equals 360 degrees, so it is divided into 360 parts. Each part of the revolution is a degree. Any angle, whether acute, obtuse, reflected or right, can be measured with a protractor. Although based on right angles, we are able to distinguish acute, obtuse or reflex angles. But if we have two acute angles to measure, we cannot determine the greater angle between the two. Therefore, we need to use a protractor to measure angles accurately.
According to the Question:
It is to be noted that
m ∠GFH = m ∠EFH
⇒ m ∠EFH = 71°
⇒ m ∠EFG = m ∠GFH + m EFH
Hence,
m ∠EFG = 71 + 71
= 142°
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In a lab experiment, the decay of a radioactive isotope is being observed. At the beginning of the first day of the experiment the mass of the substance was 1300 grams and mass was decreasing by 14% per day. Determine the mass of the radioactive sample at the beginning of the 9th day of the experiment. Round to the nearest tenth (if necessary).
PLEASE HELP. GOD BLESS
Answers
The mass of the radioactive sample at the beginning of the 9th day of the experiment is 334.5 grams.
How to determine the mass of the radioactive sample at the beginning of the 9th day of the experiment?During exponential decay, a quantity falls slowly at first before rapidly decreasing. The exponential decay formula is used to calculate population decline and can also be used to calculate half-life.
Mass of the substance (m₀) = 1300 grams
Rate of decay (r) = 14% per day = 0.14, time(t) = 9
The equation for the exponential decay:
M = m₀(1 - r)^t
M = 1300(1 - 0.14)⁹
M = 334.5 grams
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A 3-foot rain barrel is being filled from the runoff of a roof. The barrel has already collected 2.75 feet of water. For
every additional inch of rainfall into the barrel, the level of water in the rain barrel rises by 0.75 inch.
What is the y-intercept of the linear model representing the change in height of water, in inches, based on the
rainfall, in inches?
Answers
ssssssssssssssssssssssssssssss
3x + 8 – 2(1 – x) = 1
Answers
Answer: Step-by-step explanation:
3x+8-2(1-x)=1
We move all terms to the left:
3x+8-2(1-x)-(1)=0
We add all the numbers together, and all the variables
3x-2(-1x+1)+8-1=0
We add all the numbers together, and all the variables
3x-2(-1x+1)+7=0
We multiply parentheses
3x+2x-2+7=0
We add all the numbers together, and all the variables
5x+5=0
We move all terms containing x to the left, all other terms to the right
5x=-5
x=-5/5
x=-1
Answer:
x = -1
Step-by-step explanation:
Step 1: Write equation
3x + 8 - 2(1 - x) = 1
Step 2: Solve for x
Distribute -2: 3x + 8 - 2 + 2x = 1
Combine like terms: 5x + 6 = 1
Subtract 6 on both sides: 5x = -5
Divide both sides by 5: x = -1
Step 3: Check
Plug in x to verify that it is a solution.
3(-1) + 8 - 2(1 - (-1)) = 1
-3 + 8 - 2(2) = 1
5 - 4 = 1
1 = 1
what is 86,503 written in expanded form
Answers
Answer:
80,000+6,000+500+3
Step-by-step explanation:
Decode it
Answer:
eighty- six thousand five-hundred and three
Step-by-step explanation:
An appraiser is calculating a trapezodial site that has base of 150 feet, a height of 2000 feet and a second parrallel base of 100 feet. what is the square feet area of the site?
Answers
The area of the given trapezoidal site is 250,000 sq. ft.
What is the area of the trapezoidal?The area of the trapezoidal with the dimensions of both bases and the height is given by the formula,
Area = 1/2 × height × (base1 + base2)
Units: square units
Calculation:The given trapezoidal site has a base of 150 feet, i.e., base1 = 150 ft; a height of 2000 ft, i.e., height = 2000 ft and a parallel base of 100 feet, i.e., base2 = 100 ft.
Then, the area of the trapezoidal is
= 1/2 × 2000 × (150 + 100)
= 1/2 × 2000 × 250
= 250,000 sq. ft
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How do you graph a quadratic function?
Answers
Answer:
Step-by-step explanation:
Compare the equation with the standard form, y=ax2+bx+c . Since the value of a is positive, the parabola opens up.
So, y=0 implies, by the zero product property, x+4=0 or x−2=0 .
Substitute x=−1 in the equation y=−x2−2x+8 to find the y -coordinate of the vertex.
complete the pattern A12, B16, C20,
Answers
Answer:it goes up by 4
Step-by-step explanation:
12 16 20 24 28 and so on
!PLEASE HELP, THANK YOU!
Which 3-D figure matches the surface area formula?
Figure A
Figure B
Figure C
Figure D
Answers
Answer:
D
Step-by-step explanation:
you mean the formula is 4×pi×r² (not 4×pi/r²), right ?
then the correct answer is the sphere (ball).
the surface area of a cylinder is
top and bottom circle area = pi×r² each = 2×pi×r² both
and the mantle is 2×pi×r×height
the surface area of a block has nothing to do with pi.
it is the sum of 6 rectangles.
the surface area of a cone is
A = πr(r + sqrt(h² + r²))
again, also depending on "hight"
Evaluate the expression r^3 + 4r^2s for r = – 2 and s = 3.What is the solution?
Answers
Consider the given expression,
\(r^3\cdot4r^2s\)It is given that,
\(\begin{gathered} r=-2 \\ s=3 \end{gathered}\)Substitute the values in the expression,
\(\begin{gathered} =(-2)^3\cdot4(-2)^2(3) \\ =(-8)\cdot4(4)(3) \\ =(-8)\cdot(48) \\ =-384 \end{gathered}\)Thus, the value of the expression at the given values, is -384.
a bag contains 6 nickels, 5 dimes, and 4 quarters. if you draw 3 coins at random from the bag, without replacement, what is the probability that you will get a nickel, a quarter, and a nickel, in that order?
Answers
Answer:
nickel=2/5, quarter=4/15, dime=1/3
Step-by-step explanation:
Total number of coins in the bag = 6 + 5 + 4 = 15
Probability of getting a nickel =
\( \frac{6}{15} \)
which is also equivalent to
\( \frac{2}{5} \)
Probability of getting a quarter=
\( \frac{4}{15} \)
Probability of getting a dime=
\( \frac{5}{15} \)
which is equivalent to
\( \frac{1}{3} \)
Which numerical expression provides the solution to the equation 2p2 - 7p - 13 = -10?
Answers
The numerical expressions that provides the solution to the equation 2p2 - 7p - 13 = -10 are (2p -1) and (p-3)
How to determine the expressionsWe have the quadratic equation given as;
2p2 - 7p - 13 = -10
Using the factorization method, we take the following steps
collect like terms
2p² - 7p - 3
Find the pair factors of -6 that sums up to -7, then substitute the values, we get the expression as;
2p² - 6p - p - 3
Group the expression into two
(2p² - 6p) - (p -3)
Factorize the expressions
2p(p -3) - 1(p-3)
Hence, the expressions are (2p -1) and (p-3)
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16 points!
What is the length of line AB?
√17
√35
6
4
Answers
Answer:
i think its 6
Step-by-step explanation:
The length of the diagonal of the rectangular prism will be √35 units. Then the correct option is B.
What is a rectangular prism?A closed solid with two parallel rectangular bases joined by a rectangle surface is known as a rectangular prism.
The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.
The dimension of the rectangular prism will be 3 units long, 5 units wide, and 1 unit high. Then the diagonal of the prism is given as,
D² = 3² + 5² + 1²
Simplify the equation, then we have
D² = 3² + 5² + 1²
D² = 9 + 25 + 1
D² = 35
D = √35 units
The length of the diagonal of the rectangular prism will be √35 units. Then the correct option is B.
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Find the length of side x in the simplest radical form with a rational denominator
Answers
Answer:
The value of x = 1
Step-by-step explanation:
Given
hypotenuse = √2 angle Ф = 45°To determine
x = ?
Using the trigonometric ratio
cos Ф = adjacent / hypotenuse
here
Ф = 45°
adjacent of 45° = x
hypotenuse = √2
so substituting Ф = 45° adjacent = x and hypotenuse = √2 in the equation
cos Ф = adjacent / hypotenuse
\(\cos \left(45^{\circ \:}\right)=\frac{x}{\sqrt{2}}\)
switch sides
\(\frac{x}{\sqrt{2}}=\cos \left(45^{\circ \:}\right)\)
Multiply both sides by 2
\(\frac{2x}{\sqrt{2}}=2\cos \left(45^{\circ \:}\right)\)
\(\sqrt{2}x=\sqrt{2}\) ∵ \(\cos \left(45^{\circ \:}\right)=\frac{\sqrt{2}}{2}\)
Divide both sides by √2
\(\frac{\sqrt{2}x}{\sqrt{2}}=\frac{\sqrt{2}}{\sqrt{2}}\)
\(x=1\)
Therefore, the value of x = 1
John is interested in purchasing a multi-office building containing five offices. The current owner provides the following probability distribution indicating the probability that the given number of offices will be leased each year.
Number of Lease Offices 0 1 2 3 4 5
Probability 10/33 1/33 7/33 1/11 4/33 8/33
If each yearly lease is $12,000, how much could John expect to collect in yearly leases for the whole building in a given year?(in dollars)
a) E(X) = $29,130.91
b) E(X) = $29,090.91
c) E(X) = $29,170.91
d) E(X) = $29,070.91
e) E(X) = $29,100.91
Answers
AE(X) = $23,333.33 could John expect to collect in yearly leases for the whole building in a given year.
What is probability ?
The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a proposition is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.
The given table is:
Number of Lease Offices : 0 1 2 3 4 5
Probability : 5/18 1/4 1/9 1/18 2/9 1/12
The expected probability is
Expected probability \($=\sum_{i=0}^5 x_i p\left(x_i\right)$\)
Expected probability \($=0 p(0)+1 P(1)+2 P(2)+3 P(3)+4 P(4)+5 P(5)$\)
Expected probability \($=0 \cdot\left(\frac{5}{18}\right)+1 \cdot\left(\frac{1}{4}\right)+2 \cdot\left(\frac{1}{9}\right)+3 \cdot\left(\frac{1}{18}\right)+4 \cdot\left(\frac{2}{9}\right)+5 \cdot\left(\frac{1}{12}\right)=\frac{35}{18}$\)
It is given that the yearly lease \($=\$ 12,000$\).
The yearly leases for the whole building in a given year is
Yearly leases \($=\frac{35}{18} \times 12000=23333.3333333 \approx 23333.33$\)
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Rewrite the following polynomial in standard form.
1−2x−5x^4 +8x^3