# After every score in a sample is multiplied by 3, the mean is calculated and found to be M = 21. What was the mean for the original scores?

## Question

## Solution 1

To find the original mean before the scores were multiplied by 3, we can use the following steps:

- Let the original mean be denoted by $\mu$.
- According to the problem, after every score in the sample is multiplied by 3, the new mean is calculated to be $M = 21$.
- When each score in a Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.

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