Solve the problem. 1) A student eamed grades of A, C, A, A, and B. Those courses

Question

Solve the problem. 1) A student eamed grades of A, C, A, A, and B. Those courses had these corresponding numbers of credit hours 2,6,3,2,3. The grading system assigns quality points to letter grades as follows: A - 4, B-3, C-2, D-1, and F- 0. Compute the grade point average (GPA) and round the result to two decimal places. Find the mean of the data summarized in the given frequency distribution. 2) The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the mean height. Round your answer to one decimal place. Height (in) Frequency 70-71 72-73 74- 75 76-77 78-79 80-81 82-83 14

Explanation / Answer

I am not sure about question first( I think some information is missing)

I will help you for second question.

Mean = 76.8(one decimal place)

Classes Class boundries Class marks(x) Frequency(f) x*f 70-71 69.5-71.5 70.5 1 70.5 72-73 71.5-73.5 72.5 5 362.5 74-75 73.5-75.5 74.5 14 1043 76-77 75.5-77.5 76.5 14 1071 78-79 77.5-79.5 78.5 11 863.5 80-81 79.5-81.5 80.5 7 563.5 82-83 81.5-83.5 82.5 3 247.5 Total 55 4221.5

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