The ages of years of teachers of a school are:-
32,41,28,54,35,26,23,33,38,
40
(A) what is the mean age of the oldest teachers and that of the youngest teachers ? (B) what is the mean age of these teachers?
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Answer:
(a) oldest teacher mean = 54
youngest teacher mean = 23
(b) total mean of teacher = 350/10 = 35
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