b)
correlation coefficient r=0.378
c-1)reject Ho if t >2.500
c-2) test statistic =1.96
d)% of variation =14.3%
Exercise 13-40 (LO13-2) A suburban hotel derives its revenue from its hotel and restaurant operations. The...
A suburban hotel derives its revenue from its hotel and restaurant operations. The owners are interested in the relationship between the number of rooms occupied on a nightly basis and the revenue per day in the restaurant. Below is a sample of 25 days (Monday through Thursday) from last year showing the restaurant income and number of rooms occupied. Day Revenue Occupied Day Revenue Occupied 1 $ 1,452 32 14 $ 1,425 31 2 1,361 20 15 1,445 51 3...