SELECT ALL THAT APPLY

question 3

Multiple Choice

SELECT ALL THAT APPLY.
-The main properties of the chi-square distribution are that

• A)the distributions are positively skewed.
• B)chi-square values are always positive.
• C)a chi-square of zero means that the variables are completely independent and the observed frequencies in every cell are equal to the corresponding expected frequencies.
• D)as number of degrees of freedom decreases,the chi-square distribution becomes more symmetrical.

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