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Graph and relative frequency distribution.

1. In one of my classes, the following were the grades earned by the students. Provide a properly labeled Frequency Distribution Table (including relative frequency), and a Bar Graph of the Frequency and Relative Frequency. If A=4, B=3, C=2, D=1, and F=0, what was the overall "mean grade" to two significant figures. Does this agree with the Bar Graph? Comment on the agreement or disagreement of the calculated grade with the histogram and the grade distribution.

A B C D F C D
C A C B B C A
B B A F B B C
F C C A A B D
F F F C C F B

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The solution gives the details of construction of bar graph and relative frequency distribution of the given data.

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