Consider the regression of a individual's average annual earnings at ages 25-27 on his or her kindergarten test score, scaled (in percentile terms) between 0 and 100.The constant is $9400, the slope coefficient is $132 with a standard error of $12.The r2is 0.05.

What is the predicted difference in income between a student scoring at the 25th and 75th percentiles on the test?

Group of answer choices

$132

$3300

$6600

$9900

None of the above