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anonymous

  • one year ago

Help please? Suppose you have a normally distributed set of data pertaining to a standardized test. The mean score is 500 and the standard deviation is 100. What is the z-score of 450 point score? 1.5 1 0.5 -0.5

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  1. kropot72
    • one year ago
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    Use the formula \[\large z=\frac{X-\mu}{\sigma}\] where X is the point score, mu is the population mean, and sigma is the standard deviation.

  2. kropot72
    • one year ago
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    Plugging in the given values: \[\large z=\frac{450-500}{100}=you\ can\ calculate\]

  3. anonymous
    • one year ago
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    thank you!

  4. kropot72
    • one year ago
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    You're welcome :)

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