# Question: For the regression line developed in Exercise 15 37 a Use the

For the regression line developed in Exercise 15.37,

a. Use the 0.05 level in testing whether the population coefficient of correlation could be zero.

b. Use the 0.05 level in testing whether the population regression equation could have a slope of zero.

c. Construct the 95% confidence interval for the slope of the population regression equation.

a. Use the 0.05 level in testing whether the population coefficient of correlation could be zero.

b. Use the 0.05 level in testing whether the population regression equation could have a slope of zero.

c. Construct the 95% confidence interval for the slope of the population regression equation.

## Answer to relevant Questions

A scatter diagram includes the data points (x = 2, y = 10), (x = 3, y = 12), (x = 4, y = 20), and (x = 5, y = 16). Two regression lines are proposed: (1) ŷ = 10 + x, and (2) ŷ = 8 + 2x. Using the least-squares criterion, ...In a regression analysis, the sum of the squared deviations between y and y-bar is SST = 200.0. If the sum of the squared deviations about the regression line is SSE = 40.0, what is the coefficient of determination? What is residual analysis, and what information can it provide? For households in a community, many different variables can be observed or measured. If y = monthly mortgage payment, x = annual income would probably be directly related to y. For y = monthly mortgage payment, provide an ...In the early 1900s, population, prices, wages, and individual life insurance policy face amounts were all incredibly low compared to their counterparts of today. The following data show the number of life insurance policies ...Post your question