Math, asked by muna22, 10 months ago

The mean marks of 100 students were found to be 48. Later on it was discovered the marks obtained by a student 46 was missed as 64. Find the correct mean.

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Answered by nandarujul
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Answer:

Brainly.in

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Secondary School Math 5+3 pts

The mean of marks scored by 100 students was found to be 40. Later on it was discovered that a score of 53 was misread as 83. Find the correct mean.How do you so,ve this?

Report by Angelmathew 17.02.2016

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THE BRAINLIEST ANSWER!

Hannnnnnna

HannnnnnnaHelping Hand

mean score = 40

mean=sum of observation /no of observations

sum of observations = mean x no of observations

that is 40 x 100

= 4000

after replacement, sum of new observation=4000-83+53

=3970

mean of new observation = 3970/100

=39.7

Pls mark as brainliest!!!!!!!!

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