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CA Foundation · Quantitative Aptitude · Statistical Description of Data

Which one of the following variables is a continuous variable?

The weight of tea packets is the continuous variable, because weight can take any value within a range, including decimals. Number of employees, cars sold and defective bulbs are counts that take only whole-number values, so they are discrete variables.

  1. ANumber of employees in a firm
  2. BNumber of cars sold by a dealer in a month
  3. CWeight of packets of tea in a godownCorrect
  4. DNumber of defective bulbs in a lot

Explanation

A continuous variable can take any value within a range, including fractions; weight can be 249.35 g or any other value. The other three are counts and take only whole-number values, so they are discrete.

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