# stats

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Jason, a freshman at a local college, just completed 15 credit hours. His grade report is presented below.
Course: Calculus, Biology, English, Music, P.E.
Credit Hours 5, 4, 3, 2, 1
Grades C, A, D, B, A
The local university uses a 4 point grading system, i.e., A = 4, B = 3, C = 2, D = 1, F = 0. Compute Jason's semester grade point average.

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I added his points: 2+4+1+3+4=14 and divided it by 5 to get 2.8 but that's the wrong answer.

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Grade points times credit hours divided by total credit hours.

[(5*4) + (4*3) + (3*1) + (2*3) + (1*4)]/15 = ?

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The answer is 2.6 but I'm not sure how to get that

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There are 71 students in all. The height of the 60-to-65 inch rectangle is about 0.0507. How many students are between 60 and 65 inches in height? Give a whole number answer.

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