Question

what is a variable ? distinguish between a discrete and a continuous variable​

Answer 1

A discrete variable is a variable whose value is obtained by counting. A continuous variable is a variable whose value is obtained by measuring. ... A discrete random variable X has a countable number of possible values. Example: Let X represent the sum of two dice.

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Answer 2

Answer:

A characteristic, number, or quantity whose value changes overtime is called variable. For example: weight, income etc. It can be either discrete or continuous.

     

                  Discrete Variable

• A variable that takes only whole number as its value is called discrete variable.

• These variables increase in jumps or incomplete numbers.

• For example- Number of people in a family, number of students in a class, etc.

                   Continuous Variable

• A variable that can take any value, within a reasonable limit is called a continuous variable.

• These variables assume a range of values or increase in fractions and not in jumps.

• For example- age, height, weight, etc.