Math, asked by prachita166, 10 months ago

the mean of 20 observations is 12.5.by error one observation was noted as -15 then the correct mean is:

A) 11.75
B) 11
C) 14
D) 13

Answers

Answered by ravishankar1011

2

Answer:

ur ans is 14 ..................

Answered by oviyantan7

4

Answer:

c) 14 and r u army

Hlo I m Oviyaa

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