SOLUTION: The test scores of 40 students are summarized in the frequency table below. Find the mean
Score Students
50-59 5
60-69 8
70-79 10
80-89 12
90-99 5
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Question 1155681: The test scores of 40 students are summarized in the frequency table below. Find the mean
Score Students
50-59 5
60-69 8
70-79 10
80-89 12
90-99 5
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Take the middle of the group, which is 55.0 etc.
55*5=275
65*8=520
75*10=750
85*12=1020
95*5=475
That sum is 3040
divide by 40 students. The mean is 76.
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