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Data was collected from students to determine the effects on overall grade average and number of...

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Statistics


Data was collected from students to determine the effects onoverall grade average and number of hours spent playing video gamesper week.

Grade   Hours/Week
20 23
96 3
74 6
85 5
67 8
56 14
79 4
65 7
Which is the:
-Independent variable?   _______________________
-Dependent variable?   _______________________

-Calculate the coefficient of correlation and interpret theresults.

-Determine both the coefficient of determination andnon-determination and explain the result.


-Determine the unrounded regression equation for this data set.


-Using the regression equation predict the grade average when 15hours are played per week. Show all work involved in finding youranswer.

Answer & Explanation Solved by verified expert
3.8 Ratings (431 Votes)
Independent variable HoursWeekDependent variable GradeThe coefficient of correlationTable 1Table 2Use this formula to calculate the Correlation CoefficientSo the    See Answer
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