The coefficient of correlation between the age and blood pressure of a sample of 8 persons was found to be +0.8, the average age is 50 years and average blood pressure is 60. Their standard deviations were 5 and 10 respectively. a) Obtain the two regression equations
b) find the expected blood pressure of a person who is 49 years old
1 answer
You might want to learn to spell, too.
0 answers