Question

A statistics teacher was interested in the relationship between the number of days students waited to start a project and the score that project received (out of 100 points). Information was collected on several students and was used to obtain the regression equation y = –3.64x + 96.5, where x represents the number of procrastination days and y is the predicted grade. What is the predicted grade of a student who procrastinated for 2 days?

25.96
85.58
89.22
103.78

Answer 1

89.22

Explanation:

just plug in 2 to the x in a calc like so: -3.64(2)+96.5 and it will give you 89.22 . got it right on my quiz like 5 min ago sooo yeah hope this helps people in the future.

Answer 2

The person above me is correct.

The answer to this is C, 89.22

If you're looking for a question that is one week instead of two days, the answer is 71.02 (B). (This is a similar question that asks for 7 days instead of two)

ED2021