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Chapter 35: Problem 5

What are the different tests used for rejection or retention of results? How are they used?

Short Answer

Expert verified
Different types of tests used for rejection or retention of results include t-tests, chi-square tests, ANOVA, and F-tests. These tests are used in scientific research to determine whether there is enough evidence to reject or retain the null hypothesis, usually based on a pre-set significance level.

Step by step solution

01

Identifying the Different Types of Tests

There are various types of tests used for rejection or retention of results. Some of the most common ones include t-tests, chi-square tests, ANOVA (Analysis of Variance), and F-tests.
02

Describing Each Type of Test

T-tests are used to determine whether there is a significant difference between the means of two groups. Chi-square tests are used to determine whether there is a significant association between two categorical variables. ANOVA tests are used to compare the means of three or more groups. F-tests are used to compare the variances of two or more groups.
03

Explaining How the Tests are Used

These tests are often used in scientific research to reject or accept hypotheses. The results of these tests will either provide enough evidence to reject the null hypothesis, or fail to provide enough evidence, leading to its retention. These decisions are often based on a pre-set significance level, typically set at 0.05. If the p-value obtained from the test is less than this significance level, the null hypothesis is rejected.

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