# PLEASE SHOW WORK! * The following data represent 10 college students. We are interested in seeing if the number of credit hours they are taking…

a. Which one is the independent variable and which one is the dependent variable?

b. Find b1

c. Find b0

d. Find SST

e. Find SSR.

f. Find SSE.

g. Find the coefficient of determination.

h. Find the correlation coefficient.

i. Find  s2

j. Find the test statistic for testing if b1 is significant or not.

k. What conclusion would you make based on the test statistic found above?

l. Find the 95% confidence interval for B1

m. Assuming a student is taking 15 credits hours, how many hours of sleep would you expect them to get each night?

n. Assuming a student is taking 15 credits hours, what is the 90% confidence interval for the expected amount of sleep each night?

o. Assuming a student is taking 15 credit hours, what is the 90% prediction interval for the expected amount of sleep each night?

(Number of Credit Hours) (Average Hours of Sleep) X Y 20 X⋅Y X 7 140 400 14 9 126 196 17 6 102 289 18 7 126 324 12 6 72 144 16 7 112 256 17 5 85 289 14 7 98 196 16 4.5 72 256 17 6.5 110.5 289… 