It Is Best to Replace a Failing Piece of Equipment

question 29

True/False

It is best to replace a failing piece of equipment with one that will have identical capabilities as the equipment being replaced since we are already familiar with that machine.

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Definitions:

One-sample Chi-square Test

A statistical test used to compare the observed distribution of data with an expected distribution to test the goodness of fit.

Medians

The middle value in a data set, which divides the set into two equal halves.

Mann-Whitney U

A nonparametric test used to compare differences between two independent samples.

Wilcoxon Rank Test

A non-parametric statistical test used to compare two related samples to determine if their population means ranks differ.