Cumulative frequency curve

All QuestionsCategory: Secondary SchoolCumulative frequency curve
Bakare Qawiyyat asked 11 months ago

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Below are the marks scored by 60 students in mathematics:
Use the above data with the given interval 50-54,55-59,60-64 and construct a cumulative frequency distibution table,draw a cumulative frequency curve,from your curve,determine the following:
Inter quartile range
30th percentile.