1. Define a sample

1. Define a population

1. What are the two main categories of statistics?

1. Name three measures of central tendency and what they are

1. In what type of research does the researcher have the most control? Least control?

1. On which levels of data are we most likely about to perform mathematical operations? (Hint: there are two)

1. What is a quasi-experiment?

1. At what level of measurement is gender?

1. What do you think the statistical term is for "count"?

1. How would you define the real limits, and how do they differ from stated limits?

1. Make wungrouped frequency distribution for the following set of data:

1, 2, 8, 6, 1. 15, 22, 5, 19, 20, 8, 8, 19, 1, 4, 16, 22, 1, 18, 1. 11, 15

(remember each of the columns: tally, f, rf, %rf)

1. What is the X_highest? What is the X_lowest?

1. What is the range of values? (Hint: X_highest - X_lowest)