Question

The average of 20 numbers is 75. the number 86 was incorrectly read as 68 while calculating. find the correct number

Answer 1

Answer:

sorry I don't know the answer of it and please mark me as brainlist and follow me

Step-by-step explanation:

I hope you get the answer of it

Answer 2

Answer:

average of observation=75

sum of observation=75*20

when computing mean 86was taken instead of 68

therefore,correct sum of 20 observation=1500-86+68=1482

the correct number=1482/20

=74.1