Question

Grades on a political science test and the number of hours of paid work in the week before the test were recorded. The instructor was trying to predict the grade on a test from the hours of work. The figure shows a scatterplot and the regression line for these data.
a. Referring to the figure, state whether you think the correlation is positive or negative, and explain your prediction.
b. Interpret the slope.
c. Interpret the intercept.


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  • CreatedJuly 16, 2015
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