In part D. If the subject was on the line what would it be called? blem 3. (35 p

Question

In part D. If the subject was on the line what would it be called?

blem 3. (35 pts) Suppose we are interested in building a model to predict blood pressure in terms of body ight. We have the following sets of data on a group of 6 men Pro we Subject Systolic Blood PressureWeight 140 160 130 130 140 150 850 188 231 176 194 181 194 1,164 Sum a. (5 pts) Plot the above data on a graph: 190 180 170 160 150 140 130 120 110 100 2. 180 190 210 220 230 240 250 170 200 b. (3 pts) What kind of trend do you notice (check one)? Negative linear No trend Positive linear No linear trend c. (3 pts) Assume a coefficient of correlation equal to 0.88. We can then say that approximately % of the variability in the blood pressure is due to the weight d. (2 points) How would you call the data for subject 2? (Check one) outlier random interaction -residual extrapolation

Explanation / Answer

If subject 2 lies on the line, then it is called interaction since there is a relationship between systolic blood pressure and the weight.

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