Home
Class 14
MATHS
The arithmetic mean of 10 numbers was co...

The arithmetic mean of 10 numbers was computed as 7.6. It was later discovered that a number 8 was wrongly read as 3 during the computation. What should be the correct mean?

A

`7.1`

B

`7.6`

C

`8.1`

D

`8.6`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

The arithmetic mean of 100 numbers was computed as 89.05. It was later found that two numbers 92 and 83 have been misread as 192 and 33 respectively. What is the correct arithmetic mean of the numbers?

The geometric mean of three numbers was conputed as 6. It was subsequently found that, in this computation, a number 8 was wrongly read as 12. What is the correct geometric mean ?

The mean of 30 values was 150. It was detected on rechecking that one value 165 was wrongly copied as 135 for the computation of the mean. Find the correct mean.

The mean of 30 observations of a data was calculated 24.1. At a later stage, we noticed that a value 18.2 was wrongly read as 12.2. Find the value of the correct mean

Mean of 10 numbers is 6. It was later observed that one number was misread as 9. When the correct mean was 7, then the correct value of that number is

The mean of 40 observations was 160. It was detected on rechecking that the value of 165 was wrongly copied as 125 for computation of mean.Find the correct mean.

The mean of 40 observations was 160. It was detected on rechecking that the value of 165 was wrongly copied as 125 for computation of mean.Find the correct mean.

The mean of 10 observations was found out to be 7.8. It was later noticed that a value was wrongly taken as 6 instead of 9. what will be the new mean after the said correction?

Find the arithmetic mean of first 6 natural numbers.

The mean of 30 values was 150. It was detected on rechecking that one value 165 was wrongly copied as 135 for the computation of the mean. Find the correct mean. A)151 B)149 C)152 D)None of these