Which of the Following May Be Used for Hypothesis Tests

question 4

Multiple Choice

Which of the following may be used for hypothesis tests of nominal (categorical) data?

• A)Chi-squared test of a multinomial experiment.
• B)Z test of a population proportion or a Z test for the difference between two population proportions.
• C)Chi-squared test of a contingency table.
• D)All of these choices are correct.

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Definitions:

Expected Value

The average outcome of a random variable, calculated as the sum of all possible values each multiplied by their respective probability of occurrence.

Raffle Tickets

Tickets sold as a means to raise money for a cause, with the chance of winning prizes.

Binomial Distribution

a probability distribution describing the number of successes in a fixed number of independent Bernoulli trials, with a constant probability of success.

Bernoulli Experiment

A random experiment with exactly two possible outcomes, often termed success and failure.