Probability & Statistics - Old Questions
Question Answer Details
5. Define regression. The following table gives information on ages and cholesterol levels for a random sample of 10 men.
Age | 58 | 69 | 43 | 39 | 63 | 52 | 47 | 31 | 74 | 36 |
Cholesterol Level | 189 | 235 | 193 | 177 | 154 | 191 | 213 | 165 | 198 | 181 |
a) Construct regression equation of cholesterol level on age.
b) Estimate the value of cholesterol level when age is 60 years.
c) Interpret the regression coefficient.
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