Question 655702: You are given the following data.
Number of Absences Final Grade
0 99
1 94
2 79
3 73
4 68
5 53
- Find the correlation coefficient for the data.
- Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days. (Points : 6)
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! You are given the following data.
Number of Absences Final Grade
0 99
1 94
2 79
3 73
4 68
5 53
- Find the correlation coefficient for the data.
- Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
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cc: r = -0.9865
Regression equation: y = -8.97x+100
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f(3.5) = 68.695 or 69 when rounded up
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Cheers,
Stan H.
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