Chapter 9

1) What is the difference between quantitative and qualitative data?

2) Give examples of each type of data.

3) What is meant by the following terms:

a) univariate analysis

b) frequency distribution

c) cumulative frequency distribution

d) grouped frequency distribution

4) Describe the following levels of measurement, and give examples:

a) nominal

b) ordinal

c) interval

d) ratio

5) What is meant by the terms “mean”, “median” and “mode”?

6) What are the advantages of using each measurement?

7) What is meant by the term “cross-tabulation”?

8) Is it correct to use cross-tabulations when analyzing two qualitative variables? Explain.

9) What is meant by the terms “correlation”, “scattergram”, “positive correlation” and “negative correlation”?

10) Be able to create pie, bar and line graphs.