Difference between revisions of "Activity- statistics problems"
Jump to navigation
Jump to search
gonaljeelani (talk | contribs) |
gonaljeelani (talk | contribs) |
||
Line 7: | Line 7: | ||
=Previous knowledge= | =Previous knowledge= | ||
− | =Solution= | + | =Solution:= |
<math>\frac{\sum x}{n}=\bar x </math> <br> | <math>\frac{\sum x}{n}=\bar x </math> <br> | ||
Line 22: | Line 22: | ||
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:= |
Revision as of 05:13, 13 August 2014
Problem 1
If n =10, = 12 and
INTERPRETATION OF PROBLEM
Previous knowledge
Solution:
σ=
σ=
σ=
σ=
σ=
σ=3
Problem 2
If n =10, = 12 and