Use the Traditional Method to Test the Given Hypothesis

question 73

Essay

Use the traditional method to test the given hypothesis. Assume that the samples are independent and that they have been randomly selected
-In a random sample of 500 people aged 20-24, 22% were smokers. In a random sample of 450 people aged 25-29, 14% were smokers. Test the claim that the proportion of smokers in the two age groups is the same. Use a significance level of 0.01.

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Definitions:

Ctenophores

A phylum of marine animals known as comb jellies, characterized by their gelatinous bodies and rows of ciliary plates for movement.

Flatworms

A group of invertebrates belonging to the phylum Platyhelminthes, known for their flattened bodies and lack of specialized respiratory and circulatory systems.

Acoelomate

An animal lacking a body cavity (coelom). Compare with coelomate and pseudocoelomate.

Statocysts

Specialized sensory organs found in some animals, such as invertebrates, that help to maintain equilibrium and orientation relative to gravity.