Math, asked by nandiniankenpalli, 5 months ago

Two years ago the mean age of 40 people was 11 years. Now a person left the group
and the mean age has changed to 12 years. Find the age of the person who left the group.
Find the sum of deviations of all observations of the data 5, 8, 10, 15, 22 from their mean​

Answers

Answered by shreyakrsingh2000
2

Answer:

what's this question

iam not understand this question so sorry

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