Business Statistics Hypothesis Testing Pdf

The other type hypothesis testing is discussed in this chapter.

Business statistics hypothesis testing pdf. Hypothesis testing one type of statistical inference estimation was discussed in chapter 5. Two statements the null hypothesis and the alternative hypothesis the test. Hypothesis if the computed test statistic is less than 1 96 or more than 1 96 p z a α i e f a α for a one tailed alternative that involves a sign.

Business statistics advanced educational program 1 hypothesis testing reading materials. There are two types of one tailed test in test of hypothesis a right tailed test and b left tailed test. Hypothesis testing for two populations pdf from stat 101 at chulalongkorn university.

P 5 ha. Testing µ when is known testing µ when is unknown testing for the difference of two means independent samples σ σ 3 hypothesis testing making decisions. A hypothesis test allows us to test the claim about the population and find out how likely it is to be true.

P 5 reject the null hypothesis if the computed test statistic is less than 1 65 introduction to hypothesis testing page 5. Basic concepts and methodology for the health sciences 3. Hypothesis testing for two populations 2603330.

In this method we test some hypothesis by determining the likelihood that a sample statistic could have been selected if the hypothesis regarding the population parameter were true. What is hypothesis testing cont the hypothesis we want to test is if h 1 is likely true. Hypothesis testing or significance testing is a method for testing a claim or hypothesis about a parameter in a population using data measured in a sample.

The hypothesis test consists of several components. Reject h 0 and accept 1 because of su cient evidence in the sample in favor or h 1. So there are two possible outcomes.