What can we say about ^1, the slope estimator? Please select the best answer.

Group of answer choices

A. When the spread of X increases (not changing the sample size), the variance of ^1 increases.

B. When the spread of X increases (not changing the sample size), the mean of ^1 decreases.

C. When the spread of X increases (not changing the sample size), the variance of ^1 decreases.

D. When the spread of X increases (not changing the sample size), the mean of ^1 increases.