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i do need help with thes. pleas help 4. (15 points) The frequency distribution table of students' grades in Mr. John's college statistics class with

i do need help with thes. pleas help

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4. (15 points) The frequency distribution table of students' grades in Mr. John's college statistics class with 17 students is given below. Assume that this is the population data. Grade frequency A 10 B C C Total 17 Find the mean and standard deviation. Use Grade point system (A =4, B= 3, C=2, D=1)

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