Question

Solve the problem. Nine adults were selected at random from among those working full time in the town of Workington. Each person was asked the number of years of college education they had completed and was also asked to rate their job satisfaction on a scale of 1 to 10. The pairs of data values area plotted in the scatterplot below. Job Satisfaction Years of College Education The four points in the lower left corner correspond to employees from company A and the five points in the upper right corner correspond to employees from company B. Using the pairs of values for all 9 points, find the equation of the regression line.

Answer 1

Answer:-

Given that:-

Nine adults were selected at random from among those working full time in the town of workington.

Each person was asked the number of years of college education they had completed and was also asked to rate their job satisfaction on a scale of 1 to 10.

The pair of data values area plotted in the scatterplot

The four points in the lower left corner correspond to employees from company A and the five points in the upper right corner correspond to empolyees from companyB.

using the pairs of values for all 9 points .

Find the equation of thr regression line.?

From the given information,

Using regression equation line calculator,

The required regression equation is,

y^= 0.8333 + 1.25*x

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