Statistics for the Behavioral Sciences
Statistics for the Behavioral Sciences
2nd Edition
ISBN: 9781452286907
Author: Gregory J. Privitera
Publisher: SAGE Publications, Inc
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Chapter 17, Problem 1FP
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Mention the three ways that non-parametric tests differ from parametric tests.

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Answer to Problem 1FP

The three ways that non-parametric test differ from parametric tests are,

  1. 1. The non-parametric test is not used for making the inferences about the population parameters.
  2. 2. For any type of distributed data non-parametric test can be used.
  3. 3. The data that is measured on either nominal or ordinal scale is analyzed in non-parametric test.

Explanation of Solution

Parametric test:

  • The parametric test is used for making the inferences about the population parameters.
  • The parametric test can be used only when the data is normally distributed.
  • The parametric test analyzes the data that is measured on either interval or ratio scale.

Non-Parametric test:

  • The non-parametric test is not used for making the inferences about the population parameters. It can be used for testing the hypothesized relations in the population.
  • The parametric test can be used with any type distribution, it is not necessary that data should be normally distributed.
  • The parametric test analyzes the data that is measured on either nominal or ordinal scale.

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