Question: In problem 13.7 on page 510, you used GDP per capita and CPI to estimate the percentage of very happy people in a country. Using

In problem 13.7 on page 510, you used GDP per capita and CPI to estimate the percentage of very happy people in a country. Using the computer output from that problem:

a. Determine whether there is a significant relationship between percentage of very happy people and the two independent variables (GDP per capita and CPI) at the 0.05 level of significance.

b. Interpret the meaning of the p-value.

c. Calculate the coefficient of multiple determination, R2

, and interpret its meaning.

d. Calculate the adjusted R2

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