How Would You Decide Whether to Use a One-Tailed or Two-Tailed

question 10

Essay

How would you decide whether to use a one-tailed or two-tailed test for a correlation coefficient?

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Definitions:

X-bar

Another term for X-bar charts, it represents the mean value in a set of data as part of statistical quality control processes.

Sampling Distribution

The probability distribution of a given statistic based on a random sample, used to make inferences about the population.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean.