S ( Z - µZ ) Equals _________

question 27

Multiple Choice

S ( z - µz ) equals _________.

• A) 0
• B) 1
• C) the variance
• D) cannot be determined

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Definitions:

Approximate Normal Distribution

A distribution that is closely similar to a normal distribution in properties but not exact.

Wilcoxon Rank Sum Statistic

A nonparametric test used to determine if there are significant differences between two sets of observations.

Fertilizer Effectiveness

A measure of how much a fertilizer increases plant growth and yield compared to plants not receiving the fertilizer.

Friedman Test

A non-parametric test used to detect differences in treatments across multiple test attempts.