Difference between revisions of "Activity- statistics problems"
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σ=<math>\sqrt{9}</math> <br> | σ=<math>\sqrt{9}</math> <br> | ||
σ=3 | σ=3 | ||
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=Problem 2= | =Problem 2= | ||
Find the Standard deviation for the following data.<br> | Find the Standard deviation for the following data.<br> |
Revision as of 05:46, 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
Find the Standard deviation for the following data.
x 3 8 13 18 23
f 7 10 15 10 8
INTERPRETATION OF PROBLEM
Previous knowledge
Solution:
x | f | fx | x^2 | fx^2 |
3 | 8 | 13 | 18 | 23 |