APS Ch 3 True False Review Bell Ringer R11192020

Last updated over 5 years ago

12 questions

APS Ch 3 True False Review Bell Ringer R11192020

Last updated over 5 years ago

12 questions

Question 1

Correlation requires clearly identified explanatory and response variables.

True

False

Question 2

Regression requires clearly identified explanatory and response variables.

True

False

Question 3

Scatterplots require that both variables be quantitative.

True

False

Question 4

Every LSRL will pass through the coordinate point (mean of x, mean of y).

True

False

Question 5

Correlation changes as units of the variables change.

True

False

Question 6

The LSRL minimizes the distances between the actual response variable values and the predicted values.

True

False

Question 7

Switching the explanatory and response variables will NOT change the least-squares regression line.

True

False

Question 8

The slope of the line is very senstive to outliers with large residuals.

True

False

Question 9

The value of the coefficient of determination that is close to 1 does NOT guarantee that the relationship between the variables is linear.

True

False

Question 10

10.

The value of the coefficient determination close to 1 show that the explanatory variable is the cause of the response variable.

True

False

Question 11

11.

The x variable is known as the response variable.

True

False

Question 12

12.

The strongest correlation is equal to only 1.

True

False