In the chi-square test of association, as the difference between the observed and expected proportions increases... a. the chi-square test statistic increases b. the chi-square critical value increases c. the likelihood of rejecting the null hypothesis increases d. the likelihood of rejecting the null hypothesis decreases e. the chi-square critical value decreases f. the chi-square test statistic decreases

Opton A

Step-by-step explanation:

In the chi-square test of association, as the difference between the observed and expected proportions increases, the chi-square test statistic also increases. This is because if the claim made in the null hypothesis is true: the claim that frequency of the observed is equal to that of the expected (Oi = Ei) then, the observed and the expected values are close to each other and the difference Oi − Ei  is small for each category and the chisquare test statistic is small.

But when the observed data does not fit to what is expected  as of the null hypothesis, the difference between the observed and  expected values, Oi − Ei  is large producing a large chi square statistic.

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step-by-step explanation:

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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