Posted by **bria** on Friday, July 13, 2012 at 8:06pm.

age days in hospital

40 11

36 9

30 10

27 5

24 12

a. draw a scatter diagram (completed)

b. does there appear to be a correlation between age and number days in the hospital? no Find the r value for this problem to verify your answer? R=.16

c what is the regression equation for the data? y=.07+7.35

The book has 0.065x+7.35 how did they get that answer.

d.use the equation to predict the length of stay for a patient who is 32 years old. do you beleive this predicaiton is reliable? why or why not?

I am not sure how to solve d.

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