anonymous
  • anonymous
what is the standard deviation of 12.5, 12.7, 14.9, 11.3, 11.7, 10.9
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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misssunshinexxoxo
  • misssunshinexxoxo
12.5, 12.7, 14.9, 11.3, 11.7, 10.9 std = 1.4334 var = 2.0547
misssunshinexxoxo
  • misssunshinexxoxo
rounded std 1.4 var= 2.0 :)
anonymous
  • anonymous
Can you show me some of the work as to how you got that? @misssunshinexxoxo

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misssunshinexxoxo
  • misssunshinexxoxo
First find the mean, then find the difference between each score and the mean. Square it and sum all the squared values (differences) found. Divide this by the number of data values minus one, and then take the square root to get standard deviation.

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