Question

Hoping to lure more shoppers downtown, a city builds a new public parking garage in the central business district. The city plans to pay for the structure through parking fees. During a two-month period (44 weekdays), daily fees collected averaged $126, with a standard deviation of $15. a) What assumptions must you make in order to use these statistics for inference

Answer 1

The assumptions required for making inference about a population using sample data include ;

• The 10% condition, sample size must not be more than 10% of the population size

• Data should be approximately normal with sample size, n being greater than 30 (n ≥ 30).

• The sample selection must be independent, as the outcome of a certain trial must not depend on the outcome of another.

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