Question

The manufacturer of an at-home exercise equipment set-up wants to study the relationship between the number of months since the equipment was purchased and the length of time the equipment was used last week. The data is given below. Person Months Owned Hours Exercised Bill 16 2 Patty 14 1 Frank 8 0 Tom 2 12 Linda 10 8 Describe the correlation between the variables (be specific, and show your calculations to validate your claim). Then determine the equation of the regression line and use that to estimate how many hours someone used their equipment if they have owned it for 12 months. Type your final answers in the blanks below, where the first blank is the value, and the second blank is the units. Also note that the correlation coefficient should be rounded to 3 decimal places, and the rest should be rounded to 2 decimal places. Answers: r = y' = + x estimate =

Answer 1

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