2 stat questions excel
Years of Experience Salary
8 $67,000
8 $92,000
16 $135,000
12 $74,000
7 $95,000
4 $40,000
6 $55,000
5 $63,000
13 $142,000
11 $98,000
1.
a. Regression equation
b. Estimate the salary of an individual with 10 years
c. Interpret the regression coefficients.
2.
a. Standard error in the estimate of Y
b. Plot the upper and lower limits of the 95% prediction interval in a scatter plot with the original data and the regression line
c. The upper and lower limits of a 95% prediction interval for an individual with 12 years of experience
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