The standard chi-squared test for a 2 by 2 contingency table is valid only if: (a) all the expected frequencies are greater than five (b) both variables are continuous (c) at least one variable is from a Normal distribution (d) all the observed frequencies are greater than five

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The standard chi-squared test for a 2 by 2 contingency table is valid only if:
(a) all the expected frequencies are greater than five
(b) both variables are continuous
(c) at least one variable is from a Normal distribution
(d) all the observed frequencies are greater than five
Transcribed Image Text:The standard chi-squared test for a 2 by 2 contingency table is valid only if: (a) all the expected frequencies are greater than five (b) both variables are continuous (c) at least one variable is from a Normal distribution (d) all the observed frequencies are greater than five
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