A Fitness Club Claims That the Average Age of Its

question 33

Essay

A fitness club claims that the average age of its members is 42.Assume that the ages are normally distributed.You believe that the average age is less than 42,therefore,you ask the ages of a few of the fitness club's members and get the following values: 40,55,50,33,38,35,30,and 45.Do you have any reason at the 10 per cent level of significance to think the fitness club's claim is incorrect?

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Definitions:

Porridge

A hot cereal made by boiling grains, typically oats, in water or milk, often eaten as a breakfast dish.

Emperor

A sovereign ruler of great power and rank, especially one ruling an empire.

Deductive Argument

A type of argument where, provided the premises are true, the conclusion necessarily follows and must be true as well, based on the logical structure of the argument.

Sugar

A sweet-tasting, soluble carbohydrate used as a sweetener in food and drink.