In this chapter, you will learn how to:

9.1 Apply the concepts of statistical significance and null hypothesis testing, understanding their roles in making inference-based decisions.

9.2 Apply one-sample significance tests to evaluate hypotheses about population proportions and population means.

9.3 Utilize two-sample significance tests to compare two population proportions and two population means.

9.4 Critically assess the limitations and criticisms associated with null hypothesis testing.