Difference between revisions of "Activity- statistics problems"
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Revision as of 05:45, 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 |