The following data is the percentage of people who survived morethan 24 months i

Question

The following data is the percentage of people who survived morethan 24 months in the years from 1993 to 1997.
Year:                              1993 1994 1995 1996 1997
% survived =>24 months:   60      64   74     83     87

A) Calculation the correlation coefficient r between Yearand Survival.
B) Find the least squares regression line and give aninterpretation of the slope parameter estimate
C) Use the regression line to predict the survival rate for 1998and for 2005. Is the prediction reliable?
D) Give a 95% confidence interval for the slope parameter

Explanation / Answer

THis is difficult because youhave a set of data in percent survival, but the other set is years,you can set the years to 1, 2, 3, 4, 5 then n=5 r=.98866
hope thathelps

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