Which of the Following Is Not an Assumption of the Z-Test

question 35

Multiple Choice

Which of the following is not an assumption of the z-test?

• A)The population mean (\(\mu\))and standard deviation (\(\sigma\))are known.
• B)The data are interval or ratio.
• C)The distribution of random samples is normal.
• D)The sample size is less than 30.

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