What does the sign of a z-score tell you? How far a score is from the mean Whether the score is good or bad Whether the score is above or below the mean How extreme a score is
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A z-score is calculated using the formula: $z = \frac{X - \mu}{\sigma}$ where: $X$ is the individual score $\mu$ is the population mean $\sigma$ is the population standard deviation Let's analyze the options: 1. **How far a score is from the mean:** The Show more…
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What information is provided by the sign (+/-) of a z-score? - Whether the score is located above or below the mean - How many other scores lie above this z-score - How large the standard deviation is as a percent of the raw score - How many standard deviations the score is away from the mean What information is provided by the magnitude (numerical value) of the z-score? - How many standard deviations the score is away from the mean - How large the standard deviation is as a percent of the mean - How many other scores lie above this z-score - Whether the score is located above or below the mean
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