1. To convert a frequency to a proportion
    1. multiply by the percentage
    2. take the square root
    3. multiply by the standard deviation
    4. divide by the sample size
  2. An example of interval measurement is
    1. a ranking scale
    2. the numbers used on football jerseys
    3. measurement in inches
    4. a Fahrenheit temperature scale
  3. In a scatterplot, each point represents a
    1. pair of data values
    2. positive relationship
    3. value of a categorical variable
    4. conditional probability
  4. In a data table, the values in each column are for a(n)

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

  5. To study the relation between two categorical variables, use a
    1. conditional probability
    2. cross-tabulation table
    3. scatterplot
    4. reality based simulation
  6. In a data table, the values in each row are called a(n)

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

  7. An example of ordinal measurement is
    1. mild, moderate, severe
    2. height in inches
    3. temperature in Fahrenheit
    4. football jersey numbers
  8. The data (measurements) for a continuous variable are always

    9. a. ordinal   b. discrete   c. interval   d. continuous  

  9. The primary analysis for the display of the distribution of values of a continuous variable is a

    10. a. histogram   b. cross-tabulation table   c. scatter plot   d. bar chart  

  10. A format for storing data in a computer file that can be read by virtually any computer application is

    11. a. xls   b. sas   c. csv   d. xlsx