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Summary STK 120 Chapter 13 vs 18 R79,33   Add to cart

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Summary STK 120 Chapter 13 vs 18

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STK120 Chapter 13 vs 18 notes covers the topics of the analysis of variance (ANOVA), understanding variability and the Kruskal Wallis test. The notes provide an in depth explanation of the concepts and guide you on how to approach the questions.

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  • August 26, 2024
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CHAPTER 13 us 10

, ANOVA analysis : of variance

terminology and assumptions :
-
·

- - ·
o
&


>
example :
Ho : Mi =
Mc = M3

Ha :
at least one of the

means differ from the
Other (not necessarily m .
+ m = *
M3]
assumptions for valid applications of ANOVA :


K independent

populations (12)
↳ random samples from each of k populations under consideration

& response variable is distributed
normally
↳ variance of response variable is the same for all populations :




(i . .
e 0 = 0? =...
= 0 , =
0')
within vs between variability :




& different
populations


between : have control over

within : errors

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