When Can the Z-Test Be Used in Statistical Hypothesis Testing

question 18

Multiple Choice

When can the z-test be used in statistical hypothesis testing?

• A)When the measure of central tendency used for the raw scores is the median
• B)When the raw scores are transformed from a nominal scale to a ratio scale
• C)When the raw score population's standard deviation is known
• D)When the z-test standard deviation is known

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