In a Simple Random Sample of 120 Women and 150

question 49

Short Answer

In a simple random sample of 120 women and 150 men from a population of 150,000,25% of the women and 37% of the men are smokers.Suppose you are interested in comparing the proportion of smokers by sex,state the null and the research hypothesis.

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Definitions:

Expected Frequencies

The anticipated count of occurrences in each category of a variable, calculated under a specific hypothesis in a chi-square test.

Shape

Describes the geometric or visual characteristics of an object or distribution, such as symmetry, skewness, or roundness.

Multinomial Experiment

An experiment consisting of a fixed number of trials where each trial has multiple possible outcomes.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists within a set of given observations or parameters.