SOLUTION: You are given the following data. Number of Absences Final Grade 0 98 1 91 2 76

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Question 610381: You are given the following data.
Number of Absences Final Grade

0 98

1 91

2 76

3 61

4 60

5 58


- 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.
For the number of absenses and final grade, they are side by side.
Example:
absence 0 = grade of 98
absence 1 = grade of 91.
absence 2 = grade of 76, etc
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi, 

My recommendation would be that You become familiar with either a TI Calculator

or Excel functions/Stat Tool for making Your statistical calculations.

For ex:

using Excel CORREL function:

entering Data Given...

correlation coefficient = 

Using www.easycalculation.com/statistics/regression.php 

Entering Data Given...

y = 96-8.8x

final grade of a student who misses 3.5 days

y = 96-8.8(3.5) =  

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