Mathematics, 27.11.2020 22:50 christophercordero15
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 Ă˝ = -3.64x + 96.5, where x represents the number of procrastination days and Ĺ· is the
predicted grade. Which statement best describes the meaning of the slope of the regression line?
O For each increase in number of procrastination days by 1, the predicted grade decreases by 3.64 points.
O For each increase in number of procrastination days by 1, the predicted grade decreases by 96.5 points.
O For each increase in grade by 1 point, the predicted number of procrastination days decreases by 96.5 days.
For each increase in grade by 1 point, the predicted number of procrastination days decreases by 3.64 days.
Answers: 3
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