Please be sure to state answer, commentary and conclusions usingfull sentences.
ID: 2913513 • Letter: P
Question
Please be sure to state answer, commentary and conclusions usingfull sentences.Question: A student took a convenience sample of people at thelocal gym, asking age and weight. Using the regression equation ofWeight=-1.16*Age + 214, the student predicted that a 10 year oldwould weigh 202.5 lbs. What’s going on here?
Age 22 24 28 30 33 35 39 42 43 49 51 55 56 62 67 Weight 130 165 180 185 250 180 175 170 170 160 160 155 155 138100
Age 22 24 28 30 33 35 39 42 43 49 51 55 56 62 67 Weight 130 165 180 185 250 180 175 170 170 160 160 155 155 138100
Explanation / Answer
The conclusion is invalid as 10 is outside the range of data in thesample. Predictions for values outside the range should not bemade.