A Null Hypothesis Can Only Be Rejected at the 5

question 37

Multiple Choice

A null hypothesis can only be rejected at the 5% significance level if and only if:

• A) a 95% confidence interval includes the hypothesized value of the parameter
• B) a 95% confidence interval does not include the hypothesized value of the parameter
• C) the null hypothesis is biased
• D) the null hypotheses includes sampling error

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Definitions:

Z

In statistics, \(Z\) often represents the z-score, a measure of how many standard deviations an element is from the mean.

Simplify

Reduction of expressions or equations to their simplest form by performing available operations.

Expression

A combination of numbers, variables, and operations that together represent a particular value.

Positive Exponents

Represent numbers multiplied by themselves a certain amount of times, indicating a base raised to the power of a positive number.