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The following distribution shows the daily pocket allowance of children of a locality. The mean
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The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is Rs.18. Find the missing frequency k.
Daily pocket 11–13 13–15 15–17 17–19 19–21 21–23 23–25
allowance (in Rs.)
Number of 3 6 9 13 k 5 4
children
Class 10 Maths Chapter 14 Statistics important question
Daily pocket 11–13 13–15 15–17 17–19 19–21 21–23 23–25
allowance (in Rs.)
Number of 3 6 9 13 k 5 4
children
Class 10 Maths Chapter 14 Statistics important question
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