Which variable is discrete? a) Time to finish a race, b) Temperature at the start of the race, c) Number of runners in the race, or d) Length of the race in kilometers?
Mathematics · Middle School · Thu Feb 04 2021
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The correct option is c) Number of runners in the race. A discrete variable is one that can take on only integer values, and typically represents counts of objects or occurrences. The number of runners is countable as whole individuals, and you cannot have a fraction of a runner, making it a discrete variable.