Economy, asked by ziazaidi73, 8 months ago

The mean marks of 200 students is 50. After checking it was found that 2 items were misread as 30 and 20 instead of 40 and 60. Find the correct value of arithmetic mean.

Answers

Answered by nandni29

1

Answer:

the correct answer is 120!.....

Previous Question

Next Question

Similar questions

English, 4 months ago

3. 'I don't forbid you to fly kites. I'd like to fly kite, too espite But what can I do? (a) who said these words to whom? (b)What do these lines tell about the character of the elder brother?

Math, 4 months ago

If x² – 3x + 1 = 0 then x^10-123x^5+1=? plss anwer...

Math, 4 months ago

The value of expression 7a -4b -6 when a= 3 , b= 2 is *...

Hindi, 8 months ago

आदि शंकराचार्ग स्वामी विवेकानंद स्वामी रामतीथ ...

Psychology, 8 months ago

who invent rubik's cube ????

Math, 1 year ago

which of these numbers is less than 723 tens a 987 b 7500 c 7700...

Math, 1 year ago

4) If P/(Q+R) = Q/(R+P) = R/(P+Q) = K and (P+Q+R) = 0, then what is the value of K?

Environmental Sciences, 1 year ago

what is meant by natural ecosystem...