Business Statistics

Chapter 10 | Statistical Inference: Hypothesis Testing for Single Populations 309

difference between the sample statistic and the hypothesized population parameter raises questions

on the accuracy of the sampling technique. In statistical analysis, we use the concept of probability to

specify a probability level at which a researcher concludes that the observed difference between the

sample statistic and the population parameter is not due to chance.

10.3 HYPOTHESIS TESTING PROCEDURE

We have already discussed that hypothesis testing is a well-dened procedure. A sample is selected

for estimating the population parameter. Sample statistic is ...