HLT Assignment
The weight and systolic
blood pressure of 26 randomly selected males in the age group 25 to 30 are
shown in the following table. Assume that weight and blood pressure are jointly
normally distributed.
(a) Find a regression line relating systolic
blood pressure to weight.
(b) Test for significance of regression using a
= 0.05.
(c) Estimate the correlation coefficient.
(d) Test the hypothesis that p = 0, using a =
0.05.
(e) Test the hypothesis that p = 0.6, using a =
0.05.
(f) Construct a 95% confidence interval for the
correlation coefficient.
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