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T O P I C    R E V I E W
tressiemae Posted - 05/03/2010 : 15:07:42
The following data indicate the gain in reading speed versus the number of weeks in the program of 10 students in a speed-reading program.



Number of Weeks Speed Gain (wds/min)

2 21

3 42

8 102

11 130

4 52

5 57

9 105

7 85

5 62

7 90



a.) ALREADY DONE



b.) Find the least squares estimates of the regression coefficients.



c.) Estimate the expected gain of a student who plans to take the program for 7 weeks.



d.) Test at the 5% significance level, if the mean gain in reading speed increases with the number of weeks in the speed reading program.

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