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From Karnataka Open Educational Resources
Line 24: Line 24:  
=Problem 2=
 
=Problem 2=
 
find the Standard deviation for the following data.
 
find the Standard deviation for the following data.
x  3  8  13  18  23
+
x  3  8  13  18  23 <br>
f  7  10  15  10  8
+
f  7  10  15  10  8 <br>
 
<math>\sum{x^2}= 1530  find  the  standard  deviation </math> <br>
 
<math>\sum{x^2}= 1530  find  the  standard  deviation </math> <br>
  
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