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From Karnataka Open Educational Resources
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=Problem 1=
 
=Problem 1=
 
If n =10, =  12 and
 
If n =10, =  12 and
<math>\sum{x^2}= 1530 </math> <br>
+
<math>\sum{x^2}= 1530 find the standard deviation </math> <br>
    
=INTERPRETATION OF PROBLEM=
 
=INTERPRETATION OF PROBLEM=
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