For the following random variables, indicate which variable is discrete.Group of answer choicesDaily temperature of Adelaide in the summertime of 2019.The weights of new members at a gym.The number of cats visited by a veterinarian in one day.Closing share price of a particular share over one week.
Question
For the following random variables, indicate which variable is discrete.Group of answer choicesDaily temperature of Adelaide in the summertime of 2019.The weights of new members at a gym.The number of cats visited by a veterinarian in one day.Closing share price of a particular share over one week.
Solution
The variable that is discrete among the given options is "The number of cats visited by a veterinarian in one day."
Here's why:
A discrete variable is a variable whose value is obtained by counting. Examples of discrete variables include the number of registered cars, number of business locations, and number of children in a family, among others.
In this case, "The number of cats visited by a veterinarian in one day" can be counted (0, 1, 2, 3, etc.) and thus, it is a discrete variable. The other variables involve measurements and are therefore continuous variables.
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