Can you form an estimate about sign and magnitude of r

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Reference no: EM13477996

For the following data sets find the equation of the regression line and construct a scatter plot of the data and draw a regression line in the scatterplot. Can you form an estimate about the sign and magnitude of r? Calculate r and check your estimate. Use Microsoft Excel to perform these tests.

a. The number of hours spent playing video games on the weekend and the age (in years) of 8 children).

Age	8	12	13	11	9	14	13	15
Hours	4	6	6	7	5	8	8	5

b. The average time spent watching television and the average time spent playing sports each day for 8 children. This is measured in minutes.

Television	35	30	15	60	100	45	40	35
Sports	30	30	45	60	15	30	30	50

Reference no: EM13477996

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