Probability, Statistics and Random Processes

8

Test of Hypothesis (Small Samples)

Prerequisites

Before you start reading this unit, you should:

• Be thorough in all the steps of testing procedure
• Be able to calculate mean and variance for a grouped and ungrouped data

Learning Objectives

After going through this unit, you would be able to:

• Understand the concepts of small samples, null and alternative hypothesis, and procedure involved in testing them
• Formulate an appropriate null hypothesis, alternative hypothesis, and all other steps involved in testing procedure
• Differentiate between different tests like when to apply t-test or F-test or χ²-test.
• Specify the most appropriate test of hypothesis in a given situation, apply the procedure and make inferences from the result.

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