When Either Test Can Be Applied to the Same Data,the

question 102

True/False

When either test can be applied to the same data,the z-test for comparing the means of two independent samples is preferable to the unequal-variances t-tests,especially when doing the test with computer assistance.

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Definitions:

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or to the calculation of a statistic.

Effect Size

A quantitative measure of the magnitude of the difference between groups or the strength of a relationship between variables.

Degrees of Freedom

The total number of unique values or amounts that can be given to a statistical distribution.

Effect Size

A quantitative measure of the magnitude of a phenomenon or the strength of the relationship between variables.