Exhibit: Sleep Time.

Some research has indicated that as people age they need less sleep. A random sample of adults was selected and the number of hours that they slept last night was recorded. Simple regression analysis was performed on this sample and the results are shown below:

D Question 28 0.5 pts Refer to the Exhibit Sleep Time. Which of the following can be concluded based on the estimated regression equation? Q As people age by one year, ihe number of hours theyr sleep decreases by 0.1325? hours. on average. Q As individuals age changes by one 1wear, the number of hours they sleep changes by {1.02 5? hours, on average. W. W Exhibit: Sleep Time. Some research has indicated that as people age they need less sleep. A random sample of adults was selected and the number of hours that they slept last night was recorded. Simple regression analysis was performed on this sample and the results are shown below: SUMMARY OUTPUT Regression Statistics Multiple R 0.390730855 R Square 0.152670601 Adjusted R Square |0.112321582 Standard Error 0.8419499 Observations 23 ANOVA df MS F Significance F Regression 1 2.68222332 2.682223 3.78375 0.06526371 Residual 21 14.88647233 0.70888 Total 22 17.56869565 Coefficients Standard Error t Stat P-value Lower 90.0% Upper 90.0% Intercept 8.7660 0.659009748 13.30179 1.07E-11 7.632021559 9.899994251 Age -0.0257 0.013233234 -1.94519 0.065264 -0.048512101 -0.002970113 Use Excel output to answer the following questions