A student performs a linear regression on a dataset and finds the correlation coefficient is $r = 0.98$. What does this value signify?

The data has a strong positive linear relationship.

The data has a strong negative linear relationship.

The data has a weak or no linear relationship.

The slope of the line of best fit is 0.98.

What is the primary purpose of using the LinReg function on a graphing calculator with two lists of data?

To find the equation for the line of best fit.

To calculate the average of the data points.

To solve a system of linear equations.

To create a scatter plot of the data.

For each additional hour of study, the test score is predicted to increase by 5.5 points.

The lowest predicted test score is 5.5.

The average test score for all students is 5.5.

A student who studies for 0 hours is predicted to score 5.5.