Chapter-14 topic Discussions and questions: 1. Describe the (Ho] null hypothesis for a test of independence. 2. An investigator was interested in the relationship between color preference and number of siblings. A test of independence produced a y' that allowed the null hypothesis to be rejected. Write a proper conclusion for this test result. 3. Explain the short cut method of calculating y? and give a numerical example 4. Describe Phi and the odds ratio