Math, asked by vdarshanpai24, 4 months ago

The mean of 40 observations was 160. It was detected on rechecking that the value 165 was wrongly copied as 125. Find the correct mean.

Answers

Answered by samairaaggarwal4

0

Answer:

correct mean=161

Step-by-step explanation:

= sum of observation /no. of observation=mean

= x/40=160

= x=160 x 40

= x=6400

= 6400-125

= 6275

= 6275+125

= 6440/40=161

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