1. In a data table, the values in each column are for a(n)

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

  2. An example of interval measurement is
    1. measurement in inches
    2. the numbers used on football jerseys
    3. a ranking scale
    4. a Fahrenheit temperature scale
  3. The primary analysis for the display of the distribution of values of a continuous variable is a

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

  4. To convert a frequency to a proportion
    1. multiply by the standard deviation
    2. divide by the sample size
    3. take the square root
    4. multiply by the percentage
  5. Plot Gross Profit with Net Profit using a

    6. a. histogram   b. bar chart   c. scatterplot   d. time series  

  6. An example of a categorical variable is
    1. number of faculty in the business school
    2. state of residence
    3. weight of cereal boxes
    4. gross revenue
  7. One property of a cumulative histogram is that as the values of the variable increase, the shape of the histogram
    1. goes up or down
    2. only goes down or stays the same
    3. is the inverse of the regular histogram
    4. only goes up or stays the same
  8. An oversmoothed histogram provides _____ relative to the available data.
    1. a starting value too small
    2. too much detail
    3. insufficient detail
    4. a starting value too large
  9. To study the relation between two categorical variables, use a
    1. scatterplot
    2. conditional probability
    3. reality based simulation
    4. cross-tabulation table
  10. A format for storing data in a computer file that can be read by virtually any computer application is

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