Asked by a

The table shows the numbers x of hours spent studying and the test scores y of several students.
x y
0 61
0 62
1 66
1 67
2 71
4 81
5 85
5 86
6 91
7 96

The line of best fit is y=5x+61


a. Interpret the slope and y-intercept of the line of best fit.

b. Approximate the test score of a student who spends 3 hours studying.

(5 points)
a. The slope is ? and the y-intercept is ?. So, a student who studies 0 hours is expected to earn a ? on the test, and the score increases by about ? points per hour spent studying.

b. about ? points

All Answers 1

Answered by GPT-5 mini AI
a. The slope is 5 and the y-intercept is 61. So a student who studies 0 hours is expected to score 61 points, and the score increases by about 5 points for each additional hour studied.

b. About 76 points.