Question

After every score in a sample has been multiplied by 4, the mean is found to be M = 48 and the standard deviation is s= 12. What were the values for the mean and the standard deviation for the original sample?

Name: after every score in a sample has been multiplied by 4 the mean is found to be m 48 and the standard deviation is s 12 what were the values for the mean and the standard de 49701
Uploaded: 2022-01-27T21:16:23-08:00
Duration: 2 min 18 s
Channel: Christopher Dzorkpata
Description: after every score in a sample has been multiplied by 4 the mean is found to be m 48 and the standard deviation is s 12 what were the values for the mean and the standard de 49701

          After every score in a sample has been multiplied by 4, the mean
is found to be M = 48 and the standard deviation
is s= 12. What were the values for ________ the mean
and ________ the standard deviation for the original sample?

Added by James H.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Christopher Dzorkpata

01/27/2022

Step 1

Given: New mean (M) = 48 Since each score in the sample was multiplied by 4, the original mean can be calculated as: X bar = M / 4 X bar = 48 / 4 X bar = 12 Show more…

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After every score in a sample has been multiplied by 4, the mean is found to be M = 48 and the standard deviation is s= 12. What were the values for ________ the mean and ________ the standard deviation for the original sample?