Math, asked by preethi5252, 1 year ago

the mean of 13 number is 18 what will be the new mean if each observation is increased by 2

Answers

Answered by utkarsh1345

1

Answer:

18+2=20the new mean is 20

Answered by madankrishna37

0

Answer:

SUM OF OBSERVATION AND MEAN IS 13×18-234

NOW IF OBSERVATIONS INCREASE BY 2 THEN

234+(13×2) -234+26-260

NOW 260÷13 -20

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