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18-12-2017
Mathematics

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A set of data items is normally distributed with a mean of 240 and a standard deviation of 32. Convert 112 to a z-score.

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18-12-2017

The formula to find a z-score is as follows:
[tex]z=\frac{x-\mu}{\sigma}[/tex]
The z-score for x = 112 is:
[tex]z=\frac{112-240}{32}=-4[/tex]
The answer is: -4

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