Math, asked by reshmavinnakota2002, 8 months ago

the mean of 9 observetions was found to be 35. later ,it was found that an observation 81 was misread as18 .find the correct mean

Answers

Answered by Anonymous

Step-by-step explanation:

total = 9 × 35

total = 315

ATQ,

315 - 18 + 81

= 378

correct mean = 378 / 9

= 42

Answered by Tamilneyan

Answer:

original mean= 42

Step-by-step explanation:

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