In linear regression, the p-values for each independent variable must be smaller than ________.

• the value of the y variable
• the coefficients for each independent variable
• alpha
• the intercept

Bookmark question for later

The data type of the dependent variable in linear regression must be ________.

• a string
• a date or date/time
• categorical
• continuous numeric

Bookmark question for later

What function is used in R to apply a trained model in R to a scoring data set?

• apply()
• model()
• score()
• predict()

Bookmark question for later

In linear regression, the R-squared value indicates the__________ between the dependent variable and the independent variable(s).

• ratio of prediction accuracy
• non-significant predictions
• limit of observations
• percent of shared variability

Bookmark question for later

The data types of all independent variables in linear regression must be _________.

• a string
• categorical
• a date or date/time
• numeric

Bookmark question for later

In linear regression, the sum of the confidence level and alpha () is always ________.

• the number of independent variables used in the model
• the sum of the coefficients
• 100
• 1

Bookmark question for later

In linear regression, the b variable is the model's ________.

• prediction
• intercept coefficient
• covariate
• dependent variable