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Important Questions for "business statistics":

[1]

  1. Calculate quartile deviation from the given observations.
  2. What are the mathematical properties of Karl Pearson's coefficient of correlation?
  3. From the given data, obtain two regression lines.

[2]

  1. What are the main objectives of classification?
  2. Calculate the arithmetic mean, median, and mode from the given frequency distribution.
  3. Discuss briefly the different methods of sampling. Also explain their merits.

[3]

  1. Define equally likely events with an example.
  2. Distinguish between stratified random sampling and cluster sampling.
  3. Define correlation and its types. What is the difference between positive and negative correlation?

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