You are a researcher who is interested in how watching television influences children’s performance in school. You find out how many hours of television 5 children watch, on average, in a week. You have obtained their overall grade average.Child No.Hours of TVOverall Grade Average15802206736754147051280Calculate the correlation between hours of television watched and overall grade average. Interpret the correlation – what does it mean? Calculate the regression equation (use television watching to predict grade).Make a scatter plot of the data and draw the line of best fit on your scatter plot.

The linear regression technique uses a dataset to determine a linear function: y=a+bx such that the…

Answered: You are a researcher who is interested…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 13PPS

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You are a researcher who is interested in how watching television influences children’s performance in school. You find out how many hours of television 5 children watch, on average, in a week. You have obtained their overall grade average.

Child No.	Hours of TV	Overall Grade Average
1	5	80
2	20	67
3	6	75
4	14	70
5	12	80

Calculate the correlation between hours of television watched and overall grade average. Interpret the correlation – what does it mean?
Calculate the regression equation (use television watching to predict grade).
Make a scatter plot of the data and draw the line of best fit on your scatter plot.

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