Question

Refer to the data in Exercise 11.44.
a. Determine the least- squares estimates of the slope and intercept in the regression line relating first- year salary to years of experience. Interpret the coefficients. Is the intercept meaningful in the context of this data set?
b. Compute the residual standard deviation. Interpret this value.
c. Is there a significant relationship between salary and experience?
d. How much of the variability in salaries is accounted for by the number of years of experience?
In exercise


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  • CreatedNovember 21, 2015
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