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Sergio039 [100]
3 years ago
6

A sample with mean of 85 and SD of 12 is transformed into z-scores. After the transformation, what are the values for the mean a

nd standard deviation for the sample of z-scores
Mathematics
1 answer:
MrRa [10]3 years ago
5 0

Answer:

The value remain unchanged.

Step-by-step explanation:

By Z score, we mean:

Z = \frac{x-\mu}{\sigma}, if we substitute the given values of mean and standard deviation, we obtain the z score value. That is,

Z =  \frac{85 - 0}{12} = 85/12 = 7.083333.

NB: We assume that mean and standard deviation are in the same units.

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