Question

Find out D5 and D7 for the following data of marks of 100 students in a class test. Marks : 0-10 10-20 20-30 30-40 40-50 No. of students : 10 10 40 20 20​

Answer 1

Answer:

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Answer 2

Answer:

The formula for quartile deviation is Q.D = Q3−Q12 Q 3 − Q 1 2 , and Q3 is the third quartile or the median of the second half of the data, and Q1 is the first quartile or the median of the first half of the data.

Explanation:

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