Question: Multiple Choice Question Questions 4, 5, 6 Some X, Y data are positively correlated with r = .70.Also: x = 10 y = 7 sx=

Multiple Choice Question

Questions 4, 5, 6

Some X, Y data are positively correlated with r = .70.Also:

x

= 10

y

= 7

sx= 2

sy= 4

Find the equation for the regression line.

Group of answer choices

y = .35 + 3x

y = 3.5 +.35x

y = 10 + .7x

y = -7 + 1.4x

Predict Y if X = 9

Group of answer choices

5.6

12.6

6.7

9

Find the coefficient of determination.

Group of answer choices

.3

.36

.70

.49

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