anonymous
  • anonymous
data point lie within +- sd (standard deviation) of the average .86, .85, .66 , .60 , .60 , .60 , .59 ,.58 , .56 , .52 ,.50 . So calculate the percentage of data points lying within a standard deviation of the average?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Basically, this is a 5 part question: A. You need to find the average of your data set. B. Then you need to find the standard deviation of the data set. C. Subtract the standard deviation from the average; any values in your data set LESS than this amount are LESS than one standard deviation away from the average. Count the number of these values. D. Add the standard deviation to the average; any values in your data set GREATER than this amount are MORE than one standard deviation away from the average. Count the number of these values. E. Count the TOTAL NUMBER of values in your data set. Then SUBTRACT from this the number of values you counted in both C and D. Divide this new number by the TOTAL NUMBER of values in your data set, then multiply by 100. This final number is the percentage you're looking for. *caps were intended to aid with clarity. hope this helps.
anonymous
  • anonymous
Thanks a lot.)

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