Question

Sophie's math teacher plots student grades on their weekly quizzes against the number of hours they say they study on the pair of coordinate axes and then draws the line of best fit. What is the meaning of the $y$-value on the line when $x = 1$? Quiz Score 100 95 90 85 80 75 70 65 60 55 50 45 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 Time Spent on Homework per Week (hours) A prediction of a student's quiz score if they spent 67.4 hours on their homework. A student's actual quiz score after spending 67.4 hours on their homework. A student's actual quiz score after spending 1 hour on their homework. A prediction of a student's quiz score if they spent 1 hour on their homework.

          Sophie's math teacher plots student grades on their weekly quizzes against the
number of hours they say they study on the pair of coordinate axes and then draws
the line of best fit. What is the meaning of the $y$-value on the line when $x = 1$?
Quiz Score
100
95
90
85
80
75
70
65
60
55
50
45
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
Time Spent on Homework per Week (hours)
A prediction of a student's quiz score if they spent 67.4 hours on their
homework.
A student's actual quiz score after spending 67.4 hours on their homework.
A student's actual quiz score after spending 1 hour on their homework.
A prediction of a student's quiz score if they spent 1 hour on their homework.

Sophie's math teacher plots student grades on their weekly quizzes against the
number of hours they say they study on the pair of coordinate axes and then draws
the line of best fit. What is the meaning of the y-value on the line when x = 1?
Quiz Score
100
95
90
85
80
75
70
65
60
55
50
45
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
Time Spent on Homework per Week (hours)
A prediction of a student's quiz score if they spent 67.4 hours on their
homework.
A student's actual quiz score after spending 67.4 hours on their homework.
A student's actual quiz score after spending 1 hour on their homework.
A prediction of a student's quiz score if they spent 1 hour on their homework.

Added by Heather B.

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