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Lecture 1
Lecture 2
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University Notes
Statistics
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Terminology of Statistics
F-distribution
The ratio of two independent chi-square variables divided by their respective degrees of
freedom. If the population variances are equal, this simplifies to be the ratio of the
sample variances.
Analysis o… Read MoreCombinations
Combinations
A combination is an arrangement of objects without repetition where order is not important.
Note: The difference between a permutation and a combination is not whether there is repetition
or not -- there must… Read MoreScheffé Test
When the decision from the One-Way Analysis of Variance is to reject the null hypothesis, it
means that at least one of the means isn't the same as the other means. What we need is a way to
figure out where the differences … Read MoreOne-Way Analysis of Variance
A One-Way Analysis of Variance is a way to test the equality of three or more means at one time
by using variances.
Assumptions
The populations from which the samples were obtained must be normally or approximately
norm… Read MoreF-Test
F-Test
The F-distribution is formed by the ratio of two independent chi-square
variables divided by their respective degrees of freedom.
Since F is formed by chi-square, many of the chi-square properties carry
over to… Read More
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