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CHI–SQUARE DISTRIBUTION (PROPERTIES (The expected value of is the…
CHI–SQUARE DISTRIBUTION
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DEFINITION
If x and s are mean and variance for random samples of size n from a normal
population with mean and variance , then
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PROPERTIES
The expected value of is the degrees of freedom, v (darjah kebebasan)
Mean, E( X) = v and variance, Var( X) = 2v
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:check: chi-square distribution, denoted by
Usually, there is only 1 parameter to be observed :red_flag: