Question

Suppose you collect data for each of the following pairs of variables. You want to make a scatterplot. Identify the response and explanatory variables. What would you expect to see in the scatterplot? Discuss the likely direction, curvature, and variation.
(a) Winter electricity: kilowatts, temperature
(b) Long-distance calls: time (minutes), cost
(c) Air freight: weight of load, fuel consumption
(d) Advertising: length of commercial, number who remember ad
(e) Health: amount of exercise per week (hours), percentage body fat


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  • CreatedJuly 14, 2015
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