The researcher wishes to investigate the association between the number of hours spent
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The researcher wishes to investigate the association between the number of hours spent

Part 4

The researcher wishes to investigate the association between the number of hours spent on studying statistics and the exam marks

(a) Explain what could be the independent variable (X) and the dependent variable (Y).

(b) Using Excel, compute a numerical measure that measures the strength of the linear relationship between the exam marks and study time. Interpret this value.

(c) Draw an appropriate plot to investigate the relationship between exam marks and study time. Fit a linear trend line on this plot and display the least squares regression line and R-squred. Comment on the relationship between exam marks and study time.

Hint
Managementa)The dependent variable is the one which is to be predicted. The dependent variable is exam marks. The independent variable is the one on the basis of which predictions are done. The independent variable is number of hours spent on studying statistics. Kirkwood, B. R., & Sterne, J. A. (2010)....
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