Math, asked by abhijeet7676, 5 months ago

Mean of 20 observation is 15.5.Later it was found that the score 24 was miss read as 42. Find the new mean

Answers

Answered by bson

0

Answer:

14.6

Step-by-step explanation:

mean =15.5

sum= 15.5×20=310

correct sum =310-42+24 =292

mean =292/20= 14.6

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