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anonymous

  • one year ago

a

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  1. anonymous
    • one year ago
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    need the table

  2. anonymous
    • one year ago
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    well for part b the answer would be w because the average represents the average ant school w has the highest mean

  3. anonymous
    • one year ago
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    not sure what irq and that last column represent

  4. anonymous
    • one year ago
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    okay well for part a you have to use the last column do you understand what standard deviation represents?

  5. anonymous
    • one year ago
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    okay well just incase you don't it basically means how accurate a value is https://en.wikipedia.org/wiki/Standard_deviation

  6. anonymous
    • one year ago
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    the higher the deviation the less accurate

  7. anonymous
    • one year ago
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    basically which of the three schools has the lowest standard of deviation

  8. anonymous
    • one year ago
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    by the way this is the first time iv ever heard about standard deviation so im not 100 percent sure i would read the wiki if i was you

  9. anonymous
    • one year ago
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    yeah

  10. campbell_st
    • one year ago
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    well for this question I think you need to be looking at measures of spread so I'd be looking for smallest range, IQR and standard deviation as these all measure the spread of a data set. that, for me would be the most consistent

  11. campbell_st
    • one year ago
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    My answer for part A is above...

  12. jim_thompson5910
    • one year ago
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    Rule: the lower the standard deviation, the closer the scores get and clump together. The closer the scores, the more consistent the data.

  13. jim_thompson5910
    • one year ago
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    The symbol \(\Large \sigma\) is the greek letter symbol sigma (lower case) it represents the standard deviation

  14. jim_thompson5910
    • one year ago
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    yes

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