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anonymous

  • 4 years ago

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  1. anonymous
    • 4 years ago
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  2. anonymous
    • 4 years ago
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    mean: add up and divide by 7 median: arrange from smallest to largest, take the middle one mode: most frequent number (that is 21 because there are two of them)

  3. anonymous
    • 4 years ago
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    huh?

  4. ash2326
    • 4 years ago
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    Mean= (sum of all the numbers)/7 arrange the numbers in ascending order= 9, 17, 19, 20, 21, 21, 23 there are 7 terms, the third term which is the middle term is median= 20 Mode is the number which occurs most here 21 occurs twice so mode is 21 range is {9, 17, 19, 20, 21, 23} note that 21 which occurs twice , will be included only once in range.

  5. ash2326
    • 4 years ago
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    Range will best represent this data set because we can get the complete description from it. Other measures will provide only partial information

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