1. "Price decreases, sales volume increases" indicates a ____ relationship.

    2. a. skewed   b. positive   c. symmetric   d. negative  

  2. In a scatterplot, each point represents a
    1. pair of data values
    2. positive relationship
    3. value of a categorical variable
    4. conditional probability
  3. To study the relation between two categorical variables, use a
    1. conditional probability
    2. cross-tabulation table
    3. reality based simulation
    4. scatterplot
  4. An example of interval measurement is
    1. the numbers used on football jerseys
    2. measurement in inches
    3. a Fahrenheit temperature scale
    4. a ranking scale
  5. A variable is a
    1. number
    2. data value
    3. characteristic of an object or event
    4. feature that must be held constant in research
  6. An example of a categorical variable is
    1. state of residence
    2. weight of cereal boxes
    3. gross revenue
    4. number of faculty in the business school
  7. In a data table, the values in each column are for a(n)

    8. a. data point   b. observation   c. variable   d. mean  

  8. The difference between a histogram and a bar chart is the difference between _____ and _____.

    9. a. mean; variance   b. continuous; discrete   c. binomial; normal   d. statistic; parameter  

  9. All data are described to some extent by

    10. a. random fluctuation   b. accuracy of forecast   c. continuity   d. outliers  

  10. An example of ordinal measurement is
    1. temperature in Fahrenheit
    2. mild, moderate, severe
    3. football jersey numbers
    4. height in inches