A population has a mean of 30 and a standard deviation of 5. If every score in the set was multiplied by 3...
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A population has a mean of 30 and a standard deviation of 5. If every score in the set was multiplied by 3...

[From: ] [author: ] [Date: 13-01-30] [Hit: ]
......
what would be the new SD and what would be the new mean?

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Since the scores are multiplied by 3, so will the new mean and standard deviation.

Old mean = 30 New mean = 90

Old StDev = 5 New StDev = 15
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