Twelve husbands were asked how much housework they completed last week and how many children were in the home. Use the following data to complete the questions in this section. Use Excel, SPSS, or work by hand to show your work fin

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Twelve husbands were asked how much housework they completed last week and how many children were in the home. Use the following data to complete the questions in this section. Use Excel, SPSS, or work by hand to show your work finding. Show detailed work.

Children

Husband’s Housework

 

Children

Husband’s Housework

2

4

 

4

6

1

1

 

1

3

3

0

 

3

5

5

4

 

2

3

1

5

 

2

1

5

7

 

4

3

a. State the null hypothesis. done

b. State the alternative hypothesis. done

c. Write out the linear model (i.e., the equation) with one predictor in its most basic form. - done

d. Assign the above variables short, relevant names (e.g., “Grade on Midterm” might be simply “Grade”) and then substitute those names in the linear model and rewrite it below. done

e. Estimate (round to three decimal places) and report it. done

f. Estimate and report it. done

g. Using your estimated regression coefficients, write out the predicted linear model below. PLEASE ANSWER

h. Interpret as it relates the two variables in the model. PLEASE ANSWER

i. Interpret as it relates the two variables in the model. PLEASE ANSWER

j. Evaluate and explain the significance of the relationship between the two variables. PLEASE ANSWER

k. Calculate the standardized regression coefficient.

l. Interpret as it relates the two variables in the model using the original units scaled by the standard deviations.

m. What is the correlation between the two variables?

n. Report and interpret the coefficient of determination?

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