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Mathematics 2 Online
OpenStudy (anonymous):

find the standard deviation of the following data 20, 16, 18, 14, 9, 20, 16

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..?

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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