Math, asked by divyaranjanbhuyan10, 1 month ago

The mean of the following data is 50. Find the missing frequencies a and b.
Class Intervals Frequencies
10-30 9
30-50 a
50-70 3
70-90 b
90-110 4
Total 20

Answers

Answered by Vaibhav4180

1

Answer:

yes the missing following data is 10 but the total number of data is 20

then 30 is the correct answer

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