8. If each observation of the data is increased by 3 then their mean is
(a) decreased by 3
(b) no changes
(c) increased by 3
(d) None of these
Answers
Answered by
1
Step-by-step explanation:
If each observation of the data is increased by 3 then their mean is increased by 3
Answered by
0
Answer:
b) No changes
Step-by-step explanation:
Take any question of finding mean and then find mean.
Increase all values by 3 and then find the mean again.
You will get both the answers same.
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