Describe the concept of variability, and relate how it helps in the description of responses to a particular question on a questionnaire.
Answer to relevant QuestionsUsing examples, illustrate how a frequency distribution (or a percentage distribution) reveals the variability in responses to a Likert-type question in a life-style study. Use two extreme examples of much variability and ...1. What is the demographic composition of the sample? 2. How do respondents feel about (1) global warming and (2) gasoline emissions? 3. What type of automobile model is the most desirable to people in the sample? What type ...Are the following two sample results significantly different? Indicate the presence, nature, and strength of the relationship involving purchases of intermediate automobiles and each of the following factors: (a) price, (b) fabric versus leather interior, (c) exterior color, and (d) ...Indicate, with the use of a scatter diagram, the general shape of the scatter of data points in each of the following cases: a. A strong positive correlation b. A weak negative correlation c. No correlation d. A correlation ...
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