(Answered) Question the following data give the experience in years

Statistics

Question: The following data give the experience (in years) and monthly salaries (in hundreds of dollars) of nine randomly selected secretaries.

a. Find the least squares regression line with experience as an independent variable and monthly salary as a dependent variable.

b. Construct a 98% confidence interval for B.

c. Test at the 2.5% significance level whether B is greater than zero.

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