ahether or not the household has chiden and the eency of the cleing schedue Dte

Question

ahether or not the household has chiden and the eency of the cleing schedue Dte om randomly selected homes are given in the accompanying tabe a Using technology, construct a regression model using all of the independene wabies Let warable Ch be the dummy variable for the Children vaiable. Assigna 1 t the housohold has childron Aho, let variable Fr be he dummy variable for the requancy Aasign a 1 to a froquency Complete the regression equation for the model below where y-Time in -Sque Feet Room-Ch and -F Round to two decimal places as neeted Data Table 2,151 2,774 Enter your answer in the edit feid 3

Explanation / Answer

The regression equation would be as given below: -

Time(y)=113.46-0.021*sqft+7.33*rooms+28.27*Ch-1.69*Fr

SUMMARY OUTPUT Regression Statistics Multiple R 0.723032279 R Square 0.522775676 Adjusted R Square 0.475053244 Standard Error 16.91648798 Observations 45 ANOVA df SS MS F Significance F Regression 4 12539.29737 3134.824343 10.95450609 4.29998E-06 Residual 40 11446.70263 286.1675657 Total 44 23986 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 113.4597685 15.09022553 7.518758964 3.59035E-09 82.96128504 143.958252 Sq Ft -0.021754581 0.011537979 -1.885475898 0.066643374 -0.045073706 0.001564544 Rooms 7.332606459 2.15883219 3.396561573 0.001554136 2.969443848 11.69576907 Ch 28.27033195 5.390128057 5.244834937 5.41049E-06 17.37647678 39.16418712 Fr -1.688612513 5.210458069 -0.324081394 0.747565011 -12.21934109 8.842116062

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