Mathematics, 26.06.2019 00:00 lsizzle59
What is the standard deviation of the following data set rounded to the nearest tenth? 56 ,78 ,123 , 34, 67, 91, 20
Answers: 1
![[56,78,123,34,67,9,20]](/tpl/images/0017/4831/bc2c8.png)
![[56+78+123+34+67+91+20]/7=469/7=67](/tpl/images/0017/4831/3c81b.png)
![[(56-67)^{2},(78-67)^{2},(123-67)^{2},(34-67)^{2},(67-67)^{2},(91-67)^{2},(20-67)^{2}]](/tpl/images/0017/4831/8f2ec.png)
![[121,121,3,136,1,089,0,576,2,209]](/tpl/images/0017/4831/97ee7.png)
![[121+121+3,136+1,089+0+576+2,209]/7=1,036](/tpl/images/0017/4831/39b12.png)
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What is the standard deviation of the following data set rounded to the nearest tenth? 56 ,78 ,123...
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