Math, asked by mann1509, 8 months ago

Mean of 9 observation is 20. Find the new mean if each observation is:

(i) increased by 2 (ii) decreased by 5 (iii) multiplied by 3.5

(iv) divided by 2.5 (v) increased by 40% (vi) decreased by 30%

Answers

Answered by rahul1437970

0

Answer:

...................

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