Question

b. Draw an ogive for the following distribution: [6]

Marks 30-40 40-50 50-60 60-70 70-80 80-90 90-100

No of

students

10 18 22 15 17 10 8

Hence determine:

i) Median

ii) Lower quartile

iii) Number of students whose mark exceed 80

iv) If 15 students did not pass, find the marks required to pass.​

Answer 1

Step-by-step explanation:

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