To prepare for this module, please answer the following questions from the preparation readings and videos. Please contact the professor if you have questions.
  1. Define “statistical inference.”
  2. Identify AND define each letter in IVPPSS.
  3. What is the difference between a population and a sample?
  4. What is the difference between a parameter and a statistic?
  5. What word is always used in the descriptions of the population and parameter.
  6. What major goal of statistics (from the “Why Statistics is Important” module) explains how a parameter is related to a population and how a statistic is related to a sample? [In other words, what explains what a parameter does to a population and what a statistic does to a sample?]
  7. What “reality” (“Why Statistics is Important”) explains what a sample is relative to a population.
  8. What are the two major categories of variable types? How are they distinguished from each other?
  9. What are the two types of quantitative variables? How are they distinguished from each other?
  10. What are the two types of categorical variables? How are they distinguished from each other?
  11. What type of variable is “length of a pencil (mm)”?
  12. What type of variable is “type of pencil (wooden, synthetic, mechanical)”?
  13. What type of variable is “pencil lead type (soft, medium, hard)”?
  14. What type of variable is “number of pencils a student owns”?