The class midpoint of scores interval 95-99 is 97
How to determine the class midpoint?
The missing frequency table in the question is:
Score Number of students
40-59 2
60 - 75 4
76 - 82 6
83 - 94 15
95 - 99 5
The midpoint is calculated as:
Midpoint = 0.5 *(Upper interval + Lower Interval)
For interval 95 - 99, we have:
Midpoint = 0.5 *(99 + 95)
Evaluate
Midpoint = 97
Hence, the class midpoint of scores interval 95-99 is 97
Read more about frequency distribution at:
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