Chapter 11
Statistical Inference: Hypothesis Testing for Two Populations
An approximate answer to the right problem is worth a good deal more than an exact answer to an approximate problem.
– John Tukey
LEARNING OBJECTIVES
Upon completion of this chapter, you will be able to:
- Test the hypothesis for the difference between two population means using the z statistic
- Test the hypothesis for the difference between two population means using the t statistic
- Understand the concept of statistical inference of the difference between the means of two related populations (matched samples)
- Test hypothesis for the difference in two population proportions
- Test hypothesis about two population variances (F distribution)
STATISTICS IN ACTION: JK PAPER ...
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