For each of the following examples, indicate whether it involves the use of descriptive or inferential statistics. Justify a. The number of students at WSSU: Descriptive. WSSU keeps track of its enrollment. They don't have to estimate how many students are attending. b. Determining students' opinion about the quality of food at the cafeteria based on a sample of 100 students c. The national incidence of breast cancer among African American women d. Conducting a survey to determine the rating of the quality of a new smartphone, gathered from 1,000 new buyers e. The percentage of students who graduate from Winston-Salem State University within 5 years of enrollment. f. The change in the population of the United States from 2010 to 2020.

5. Variables can be measured according to more than one level of measurement. For the following variables, discuss at least two ways you can measure these variables at two different levels of measurement. Use a. as an example. a. Age: Could be ordinal (young, middle-aged, older) or interval ratio (5, 40, 75) b. Annual income c. Religiosity d. Student performance e. Social class f. Number of children