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?
A)7
B)21
C)63
D)Cannot be determined from the information given

Name: 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? A)7 B)21 C)63 D)Cannot be determined from the information given
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Question

Quizplus · Accepted Answer

The Answer is A

After Every Score in a Sample Is Multiplied by 3,the