Question 28

Match

Question 28 options:

a) The plot of Y vs. X is linear, overall.

b) Y = X - 1.1

c) The maximum of the measurements of the independent variable is 35.

d) Y = -X + 1.1

e) The plot of Y vs. X is shaped like the letter S rotated 90 degrees clockwise.

f) R2 = 0.90

Choose from the following:

1) The elevation of the regression line at X = 0 is 1.1.

2) The change in Y when X changes by +1 is 1.0

3) 90% of the variation in Y is explained by X

4) It would be unwise to estimate Y at X = 50.

5) Linear regression results are meaningful.

6) Linear regression results are not meaningful.

7) The slope of the regression line is -1.1.

8) 90% of the variation in X is explained by Y

9) You can estimate Y at X = 50.

10) None of the above

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