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Statistical Techniques for Transportation Engineering by Naresh Davergave, Anil Shah, G Rao, Kumar Molugaram

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Chapter 10

Test of Significance—Small Samples

Abstract

This chapter is devoted for the study of t-test and F-test that are known as small tests. The test of hypothesis about the variance of two populations is discussed in this chapter. The students’ t-test for difference of two means, paired t-test are discussed in this chapter.

Keywords

Moments about mean; assumptions for t-test; uses of t-distribution; types of t-test; significance of values of t

10.1 Introduction

In this chapter we discuss tests of significance for small samples. The important tests for small samples are

1. Chi-square test

2. t-test

3. F-test.

χ2image Distribution was already introduced in ...

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