Part A: Choice 1. The main purpose of descriptive statistics is to: A. Summarize data in a useful and informative manner. B. Make inferences about a population. C. Determine if the data adequately represents the population. D. Gather or collect data. 2. Which of the following is an example of a continuous variable? A. Tons of concrete to complete a parking garage B. Number of students in a statistics class C. Zip codes of shoppers D. Rankings of baseball teams in a league 3. A portion or part of a population is called a: A. Random survey B. Sample C. Tally D. Frequency distribution 4. If Gallup, Harris, and other pollsters asked people to indicate their political party affiliation as Democrat, Republican, or Independent, the data gathered would be an example of which scale of measurement? A. Nominal B. Ordinal C. Interval D. Ratio 5. The members of each basketball team wear numbers on their jerseys. What scale of measurement are these numbers considered? A. Nominal B, Ordinal C. Interval D. Ratio 6. A marketing class of 50 students evaluated the instructor using the following scale: superior, good, average. poor, and inferior. The descriptive summary showed the following survey results: 2% superior, 8% good, 45% average, 45% poor, and 0% inferior. A. The instructor's performance was great! B. The instructor's performance was inferior. C. Most students rated the instructor as poor or average. D. No conclusions can be made. 7. Which word is NOT part of the definition of descriptive statistics? A. Organizing B. Analyzing C. Presenting D. Predicting 8. What type of variable is the number of robberies reported in your city? A. Attribute B. Continuous C. Quantitative D. Qualitative 9. What type of variable is the number of auto accidents reported in a given month? A, Interval B. Ratio