Ski resorts are interested in the mean age that children take their first ski an

Question

Ski resorts are interested in the mean age that children take their first ski and snowboard lessons. They need this information to plan their ski classes optimally. Define the following in terms of the study. Give examples where appropriate.

The variable

A. The variable is the number of children taking skiing or snowboarding lessons.

B. The variable is the number of ski or snowboarding lessons offered at the skiing resort.    

C. The variable is the age of each child when he or she takes his or her first skiing or snowboarding lesson.

D. The variable is the age of everyone taking a skiing or snowboarding lesson for the first time.

Explanation / Answer

A variable is any characteristics, number, or quantity that can be measured or counted. A variable may also be called a data item. Age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour and vehicle type are examples of variables.

Hence in this problem variable is age. So answer is c.

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