The mean of 25 values was 190.

The mean of 25 values was 190. It was detected on rechecking that one value 165 was wrongly copied as 130 for the computation of the mean. Find the correct mean.

Quiz

Answer/Solution

191.4

Steps/Work

Corrected mean = 190×25−130+165/25
= 4750+35/25
=4785/25=191.4
Answer D

General Calculator / Auto Solver

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

Calculated Answer

191.4

Step by Step Solution

In order to solve problem, you must evaluate (n0 * n1 + n2 - n3) / n0.

n0 =25
n1 =190
n2 =165
n3 =130