Question

The distribution of marks scored by college students is shown below: Marks No. of students 0-20 45 20-30 21 30-50 15 50-60 10 60-90 5 90-100 2 i) Draw a histogram and comment on it's shape ii) Calculate the mean and median What proportion of students score less than 60 marks and what proportion scores between 50 to 80 marks.

Answer 1

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