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25,55,40,65,29,45,59,35,25,37,52,30,8,40,55 find the standard deviation and mean

Guest Sep 24, 2017
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Go online and use this Stat. Calculator to get the answers you want:

https://www.hackmath.net/en/calculator/quartile-q1-q3

Guest Sep 24, 2017
 #2
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Mean is the 40 because (25+55+40+65+29+45+59+35+25+37+52+30+8+40+55)/15=40

 

Standered deviation is 14.9086104875 because (25-40)^2=225 (Then do this for all the numbers you have) and then add them together, divide by 15 and take the square root.

 

Here's a helpful guide for next time:

NediaMaster  Sep 25, 2017

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