In a political science class, the teacher gives a midterm exam and a final. The association between midterm and final scores is linear. The summary statistics are shown below. Midterm Mean=75, Midterm Standard Deviation=10 Final Mean=75, Final Standard Deviation=10 r=0.8 According to the regression equation, for a student who gets 85 on the midterm (one standard deviation above average) what is the predicted final exam grade?

The predicted final exam grade is 83

Step-by-step explanation:

Given

-- midterm mean

--- midterm standard deviation

--- final mean

--- final standard deviation

Required

The predicted final grade of student who score 85 in midterm

The prediction is represented as:

Where:

and

So:

For a student who gets 85, the prediction is:

b

step-by-step explanation:

22.83 repeating

step-by-step explanation:

137 ÷ 6 is 22.8333333 therefore we understand that 3 is repeating.

happy to

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