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Peace420

  • one year ago

Could someone pleasee help me in Algebra 1? Which one of these statistics is unaffected by outliers? A. Range B. Mean C. Standard deviation D. Interquartile range

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  1. surry99
    • one year ago
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    Do you know the definition of an outlier?

  2. Peace420
    • one year ago
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    no

  3. surry99
    • one year ago
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    Then you need to look that up in order to answer the question.

  4. Peace420
    • one year ago
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    something that lies outside the main body or group that it is a part of

  5. surry99
    • one year ago
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    Good so now, look at each answer above an ask yourself whether an outlier would affect it. You will need to know how each of the answers a) b) c) and d) are defined and calculated

  6. Peace420
    • one year ago
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    I was thinking A but im not sure

  7. anonymous
    • one year ago
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    an outlier is a data point that's far away from the other data. It has to be 1.5 times the IQR away from the nearest data point. Like if the test scores of a class were 10, 75, 76, 81, and 90, the 10 is an obvious outlier. So outliers affect the range and mean for sure

  8. anonymous
    • one year ago
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    standard deviation is a measure of how far the data points are away from the mean, so a large or small outlier can screw with it

  9. Peace420
    • one year ago
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    so C?

  10. anonymous
    • one year ago
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    yep

  11. Peace420
    • one year ago
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    thank you

  12. anonymous
    • one year ago
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    yw

  13. Peace420
    • one year ago
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    @peachpi could you help me with another question?

  14. anonymous
    • one year ago
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    ok

  15. Peace420
    • one year ago
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    Take a look at the following set of data: 54, 62, 57, 60, 58, 54, 133. What word describes the data point 133? A. outsider B. median C. outlier D. range

  16. anonymous
    • one year ago
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    ok, so look at the last question. What's a data point that's far away from all the others?

  17. Peace420
    • one year ago
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    54

  18. anonymous
    • one year ago
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    they're asking you about 133. All the other numbers are in the 50s and 60s. That means 133 is far away from everything else. What's that called?

  19. Peace420
    • one year ago
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    C?

  20. anonymous
    • one year ago
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    yes

  21. Peace420
    • one year ago
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    okay thanks!

  22. anonymous
    • one year ago
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    you're welcome

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