1. The purpose of inferential statistics is to simplify and organize the data from a study. (True/False)
2. Individual differences can be expected for psychological variables such as intelligence, anxiety, and athletic ability. (True/False)
3. Frequency distributions are a subset of inferential statistics. (True/False)
4. Summary statistics are a subset of descriptive statistics. (True/False)
5. Mean scores are helpful in the interpretation of nominal data. (True/False)
6. Cross-tabulation is a useful way to describe the relationship between two nominal variables. (True/False)
7. It is possible to convert a grouped frequency distribution to a frequency distribution without referring back to the original data. (True/False)
8. It is possible to convert a frequency distribution to a grouped frequency distribution without referring back to the original data. (True/False)
9. When you are using a continuous variable, it is best to use a frequency distribution instead of a grouped frequency distribution. (True/False)
10. A frequency polygon can be used to compare distributions of scores from more than one group. (True/False)
11. Traditionally, the frequency of each score (or interval) is shown on theYaxis or ordinate of a frequency polygon. (True/False)