If , the standard deviation of y is equal to the standard deviation of the residuals. Indicate ...

If , the standard deviation of y is equal to the standard deviation of the residuals.

Indicate whether the statement is true or false

Q. 2

The slopes of the least squares lines for predicting y from x, and the least squares line for predicting x from y, are equal.

Indicate whether the statement is true or false

Q. 3

The slope of the least squares line is the average amount by which y increases as x increases by one unit.

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Q. 4

If r is close to 1, then the points lie close to a straight line with a positive slope.

Indicate whether the statement is true or false

Q. 5

The value of Pearson's r is always between 0 and 1.

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Q. 6

Pearson's correlation coefficient, r, does not depend on the units of measurement of the two variables.

Indicate whether the statement is true or false

Q. 7

If on average y increases as x increases, the correlation coefficient is positive.

Indicate whether the statement is true or false

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If , the standard deviation of y is equal to the standard deviation of the residuals. Indicate ...

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