Question

the mean of the following data is 20
10
20+
1
6.6 MEDIAN
hete mean is affected by the values of extreme observations, i.e. the highest and the lowest
there are the mean may not always be a true representative of the entire collection of data
pl in a family the income of 4 persons are 7000, 9000. 16000 and 4000
7000 + 9000 + 16000 + 1000 36000
Average income of persons -
9000
3​

Answer 1

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Answer 2

first we arranged and add them.