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Mathematics, 15.04.2020 08:17 masonsee4ytube

The correlation between the students total scores prior the final exam and their final exam scores is r=.7. The pre exam totals for all students in the course have a mean 270 and a standard deviation 25. The final exam scores have mean 70 and standard deviation 10. The teacher misplaced Peter's final exam but knows that his total before the exam was 280. He decides to predict her final exam score from her pre exam total.

A)Find th equation for the appropriate LSRL for the teachers prediction?

Use the LSRLin part A to predict Peter's final exam score?

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