In the following data, x is the average number of hours the student spent working on math each week and y is the final grade in a math class.

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In the following data, x is the average number of hours the student spent working on math each week and y is the final grade in a math class.
In the following data, x is the average number of hours the student spent working on math each week and
y is the final grade in a math class.
hours/week
Grade
X
y
50
57.8
8
58.2
8.
53.2
11
73.4
11
75.4
15
78
17
98.8
18
87.2
19
100
The line of best fit is y = 3.49 x +31.72.
What is the predicted value for the final grade when a student spends an average of 15 hours each week on
math?
Grade =
Round to 1 decimal place.
Transcribed Image Text:In the following data, x is the average number of hours the student spent working on math each week and y is the final grade in a math class. hours/week Grade X y 50 57.8 8 58.2 8. 53.2 11 73.4 11 75.4 15 78 17 98.8 18 87.2 19 100 The line of best fit is y = 3.49 x +31.72. What is the predicted value for the final grade when a student spends an average of 15 hours each week on math? Grade = Round to 1 decimal place.
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