If the mean of the following data is 59, find the missing frequency.
Class 10-30 30-50 50-70 70-90 90-110
Frequency 10 7 5 X 12
Answers
Answered by
1
Step-by-step explanation:
Given:Mean of the following data is 59.
To find: X
Solution:
We know that
Find class mark for each class and put the values in the formula,in order to find X
Put the values
Thus,
Value of missing frequency is 1.24
Which is not possible.
Frequency should be positive integer.
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Answer:
X=1.24 is your answer.....
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