posted by bria on .
age days in hospital
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.