Understand the Relationship Between the Correlation and the Regression Line

question 1

Multiple Choice

Understand the relationship between the correlation and the regression line.
-Suppose the correlation, r, between two variables x and y is -0.44. What would you
Predict about a y value if the x value is 2 standard deviations above its mean?

• A) It will be .88 standard deviations below its mean.
• B) It will be .88 standard deviations above its mean.
• C) It will be 2 standard deviations below its mean.
• D) It will be .44 standard deviations below its mean.
• E) It will be .44 standard deviations above its mean.

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