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OpenStudy (anonymous):
find the standard deviation of the following data 20, 16, 18, 14, 9, 20, 16
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OpenStudy (campbell_st):
can you use a calculator... or you need the full blown method..?
OpenStudy (campbell_st):
and which standard deviation, population or sample...
OpenStudy (anonymous):
how did you find it with a calculator
OpenStudy (campbell_st):
well you calculator probably has a stats mode... but if you don't know about it then it becomes a bit hard.
OpenStudy (campbell_st):
do you have excel spreadsheet..?
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Directrix (directrix):
Use the online standard deviation calculator. As said above, you will need to know if you want the sample standard dev or the population one. http://easycalculation.com/statistics/standard-deviation.php @nicole-0109
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