The Nonparametric Equivalent of the Pearson Correlation Coefficient Is The

question 9

Multiple Choice

The nonparametric equivalent of the Pearson correlation coefficient is the:

• A) Kruskal-Wallis H test.
• B) chi-square.
• C) Wilcoxon signed-rank test.
• D) Spearman rank-order correlation coefficient.

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Definitions:

Overload Unit Contacts

Components within an overload relay that open or close electrical circuits to provide motor protection against excessive current.

Motor Starter Contactor

An electromechanical switch used to control the power supply to a motor, providing safe start and stop operations.

Motor Load Current

The current drawn by an electric motor under specific load conditions, indicative of the power it is using to perform its function.

Inverse Time-Delay

Refers to a characteristic of protective devices where the time to trip decreases as the magnitude of the current increases.