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Important Questions for "business statistics":

[1]

  1. What is meant by measures of central tendency?
  2. Calculate quartile deviation from the given observations.
  3. From the given data, obtain two regression lines.

[2]

  1. Why are there two regression lines?
  2. What are the mathematical properties of Karl Pearson's coefficient of correlation?
  3. What is the probability of drawing a black card or a king from a well-shuffled pack of playing cards?

[3]

  1. What are the requisites of a good average?
  2. What is the importance of correlation?
  3. Define correlation and its types. What is the difference between positive and negative correlation?

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