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anonymous

  • one year ago

find the mean and the standard deviation for the set values 25, 19, 5, 21, 18, 22, 17, 10, 7

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  1. taramgrant0543664
    • one year ago
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    Well the mean is just the average of all the numbers so all you have to do is add them all up and divide by 9 because there are nine numbers in the sequence and I find it hard to explain how to find standard deviation with out the person in front of me so I found you a website and it goes step by step through the process: https://www.mathsisfun.com/data/standard-deviation-formulas.html

  2. anonymous
    • one year ago
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    okay thank you so much.

  3. taramgrant0543664
    • one year ago
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    No problem! Let me know if you have any problems with it and I'll help you through it!

  4. anonymous
    • one year ago
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    okay!

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