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1. To normalize a certain feature using z-score, we measured the following summary statistics for the feature values in the training set: mean : 12.5

1. To normalize a certain feature using z-score, we measured the following summary statistics for the feature values in the training set:

mean : 12.5

median : 14

standard deviation : 5.4

What is the (rounded) z-score for a feature value of 10?

2.

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