Reference no: EM132854425

1- If the Pearson correlation between X and Y is negative, then the regression equation will have a negative slope.

Group of answer choices

True

False

2-The best-fitting line is the one that has the smallest total squared error, so the resulting line is commonly called the least-squared-error solution.

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True

False

3-The value of SSresidual measures the total squared distance between the actual Y values and the Y values predicted by the regression equation.

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True

False

4-Which is the best interpretation of the regression coefficient (slope)?

Group of answer choices

For each additional 10 years in age, on average, length of consultation was approximately 9 minutes longer.

For each additional minute of consultation, on average, patients were .933 years older.

For each additional .933 units of time, on average, patients were approximately 1 year older.

When a patient is 10 years older, their consultation is 9.33 minutes longer.

For each increase in age, on average consultation is 0.933minutes longer.