Math 4 Final Exam Review

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What is Systematic Sampling?

Back

A sampling technique where every nth individual is selected from a list or sequence.

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What is the probability of getting exactly 3 correct answers when guessing on 6 multiple choice questions with 4 options each?

Back

0.132

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How do you identify the Range of a function?

Back

The Range is the set of all possible output values (y-values) of a function.

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What is a piecewise function?

Back

A function that is defined by different expressions for different intervals of the domain.

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What does the mean represent in a data set?

Back

The mean is the average value, calculated by summing all values and dividing by the number of values.

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What is standard deviation?

Back

A measure of the amount of variation or dispersion in a set of values.

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How do you calculate the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes).

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What is the formula for the binomial probability?

Back

P(X=k) = (n choose k) * p^k * (1-p)^(n-k), where n is the number of trials, k is the number of successes, and p is the probability of success.

Front

What is the difference between population and sample in statistics?

Back

Population is the entire group being studied, while a sample is a subset of the population.

Front

What is a normal distribution?

Back

A probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence.