anonymous
  • anonymous
a
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
need the table
anonymous
  • anonymous
well for part b the answer would be w because the average represents the average ant school w has the highest mean
anonymous
  • anonymous
not sure what irq and that last column represent

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anonymous
  • anonymous
okay well for part a you have to use the last column do you understand what standard deviation represents?
anonymous
  • anonymous
okay well just incase you don't it basically means how accurate a value is https://en.wikipedia.org/wiki/Standard_deviation
anonymous
  • anonymous
the higher the deviation the less accurate
anonymous
  • anonymous
basically which of the three schools has the lowest standard of deviation
anonymous
  • anonymous
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
anonymous
  • anonymous
yeah
campbell_st
  • campbell_st
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
campbell_st
  • campbell_st
My answer for part A is above...
jim_thompson5910
  • jim_thompson5910
Rule: the lower the standard deviation, the closer the scores get and clump together. The closer the scores, the more consistent the data.
jim_thompson5910
  • jim_thompson5910
The symbol \(\Large \sigma\) is the greek letter symbol sigma (lower case) it represents the standard deviation
jim_thompson5910
  • jim_thompson5910
yes

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