Badm - Quiz 1

15 Questions | Total Attempts: 91

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Badm - Quiz 1

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Questions and Answers
  • 1. 
    Which of the following statements about the median is NOT true?
    • A. 

      It is equal to the Second Quartile.

    • B. 

      The median is more affected by extreme values than the mean.

    • C. 

      It is a measure of central tendency.

    • D. 

      It is equal to the mode in bell-shaped, symmetrical distributions.

  • 2. 
    It is possible that a distribution of data may not actually contain one of the measures of central tendency. Which one might that be?
    • A. 

      The Mode

    • B. 

      The median

    • C. 

      The Mean

    • D. 

      None of the above

  • 3. 
    As a general rule, a data point is considered to be an outlier if it is
    • A. 

      More than three standard deviations away from the mean

    • B. 

      Less than one standard deviation away from the mean

    • C. 

      Less than two standard deviations away from the mean

    • D. 

      More than one standard deviation away from the mean

  • 4. 
    In a right-skewed distribution:
    • A. 

      The mean is less than the median.

    • B. 

      The median equals the mean.

    • C. 

      The mean is less than the mode.

    • D. 

      The mean is greater than the median.

  • 5. 
    Applicants to MBA programs typically must submit graduate-level board scores known as the GMAT. Assuming that the distribution of GMAT scores is symmetrical and bell shaped, then fifty-percent of all scores would be greater than which value?               
    • A. 

      The mean

    • B. 

      The median

    • C. 

      The mode

    • D. 

      The mean  & median

    • E. 

      All of the above

  • 6. 
    A survey question which asks whether or not the respondent is “for” or “against” a proposal represents  
    • A. 

      A discrete variable.

    • B. 

      A continuous variable.

    • C. 

      A categorical variable.

    • D. 

      A numerical variable

  • 7. 
    The branch of statistics that uses sample data to draw conclusions about an entire population is known as:
    • A. 

      Descriptive statistics.

    • B. 

      Experimentation.

    • C. 

      Primary sources.

    • D. 

      Inferential statistics

  • 8. 
    Responses to survey question number one, “How many days did it take from the time you ordered your merchandise to the time you received it?” represents what kind of variable?
    • A. 

      Numerical

    • B. 

      Discrete and numerical

    • C. 

      Continuous and numerical

    • D. 

      Categorical

  • 9. 
    What type of distribution is observed when most of the scores cluster around the lower end of the scale?
    • A. 

      A negatively skewed distribution

    • B. 

      A normal distribution

    • C. 

      A positively skewed distribution

    • D. 

      A related distribution

    • E. 

      A bi-modal distribution

    • F. 

      A flat distribution

  • 10. 
    Which two measures use the mean as a baseline and identify the extent to which scores differ from this?
    • A. 

      Variance and standard deviation

    • B. 

      Standard deviation and range

    • C. 

      Sum and variance

    • D. 

        All of these

  • 11. 
    A tire manufacturer found a sample of tires created using a new formulation resulted in an average of forty-thousand miles per tire, and concluded that they can safely advertise this finding about the entire population of tires created with the new formula. This decision making process represents the branch of statistics known as descriptive statistics.
    • A. 

      True

    • B. 

      False

  • 12. 
    A business student applying to an MBA program must complete a standardized exam known as the GMAT, which is measured on an interval scale.
    • A. 

      True

    • B. 

      False

  • 13. 
    One of the advantages of a bar chart is that it clearly shows that the total of all the categories of the bar chart adds to 100%
    • A. 

      True

    • B. 

      False

  • 14. 
    The coefficient of variation (CV) measures the variability in a data set relative to the size of the median.
    • A. 

      True

    • B. 

      False

  • 15. 
    The median of the values 3.4, 4.7, 1.9, 7.6, and 6.5 is 3.4
    • A. 

      True

    • B. 

      False

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