Quiz: Business Mathematics & Statistics

8 Questions | Total Attempts: 1858

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Quiz: Business Mathematics & Statistics - Quiz

Business Mathematics & Statistics Chapter No. 26 to 32


Questions and Answers
  • 1. 
    For a data, if mean > median then its distribution is:
    • A. 

      Asymmetrical

    • B. 

      Symmetrical

    • C. 

      Left asymmetrical

    • D. 

      Right asymmetrical

  • 2. 
    In a positively skewed distribution:
    • A. 

      The mean, median, and mode are all equal.

    • B. 

      The mean is larger than the median

    • C. 

      The median is larger than the mean.

    • D. 

      The standard deviation must be larger than the mean or the median.

  • 3. 
    As the regression line equation is y = ax + b, where b is:
    • A. 

      The x-intercept

    • B. 

      The y-intercept

    • C. 

      The slope

    • D. 

      None of these

  • 4. 
    If strength of the association between X and Y is very weak, then r = ? 
    • A. 

      R = - 1

    • B. 

      R = 0

    • C. 

      R = 1

    • D. 

      R = 2

  • 5. 
    My estimated regression line is Y = 17 + 4X. The intercept is equal to: 
    • A. 

      17

    • B. 

      4

    • C. 

      21

    • D. 

      13

  • 6. 
    The variance of the 3, 3, 3, 3, 3 is:
    • A. 

      Zero

    • B. 

      One

    • C. 

      Twice the standard standard deviation

    • D. 

      Half of the range

  • 7. 
    The regression equation should only used:
    • A. 

      When there is significant linear correlation

    • B. 

      When there is significant mluticorrelation

    • C. 

      When there is significant quadratic correlation

    • D. 

      When there is significant simple correlation

  • 8. 
    The point where a straight line cuts the x-axis is called:
    • A. 

      Slope

    • B. 

      Starting point

    • C. 

      Y-intercept

    • D. 

      X-intercept

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