Free Practice Exercise 9

Copy and run the code from the yellow box below:

The NUM data set contains a population of 10 data points.

A z-score is a measure of the number of standard deviation above or below the mean.

It can be calculated as:

z = x - µ/σ where

x = the value to be standardized
µ = the mean 
σ = the standard deviation

Compute the z-score for each data points.

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