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Activity- statistics problems (view source)
Revision as of 10:43, 13 August 2014
, 10:43, 13 August 2014no edit summary
=Previous knowledge=
=Previous knowledge=
=Solution=
=Solution:=
<math>\frac{\sum x}{n}=\bar x </math> <br>
<math>\frac{\sum x}{n}=\bar x </math> <br>
σ=<math>\sqrt{9}</math> <br>
σ=<math>\sqrt{9}</math> <br>
σ=3
σ=3
=Problem 2=
If n =10, = 12 and
<math>\sum{x^2}= 1530 find the standard deviation </math> <br>
=INTERPRETATION OF PROBLEM=
=Previous knowledge=
=Solution:=