Assignment 5 - Hypothesis Testing latest version 2023

A hypothesis test is a statistical test that is used to determine whether there is enough evidence in a sample of data to infer that a certain condition is true for the entire population. A hypothesis test examines two opposing hypotheses about a population: the null hypothesis and the alternative hypothesis. Null hypothesis: usually refers to a general statement or default position that there is norelationship between two measured phenomena, or no difference among groups. Alternative hypothesis: opposite of the null; there is a difference or a relationship between measured phenomenaor groups For example, a study is designed in order to test whether there is a difference in patient satisfaction among two groups. Patient satisfaction is better in patients cared for solely by a registered nurse ascompared to patient satisfaction in patients cared for by a team of caregivers. You are testing this hypothesis so let’s look at the null and alternative hypotheses. Null Hypothesis: there