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# 1)The values in a chi-square distribution are always greater than 0 and A. are normally distributed. less than 1. can be quite large. are negatively...

1)The values in a chi-square distribution are always greater than 0 and
A. are normally distributed.
B. less than 1.
C. can be quite large.
D. are negatively skewed.
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2)In a 3 x 4 contingency table, there are
A. four levels of each variable.
B. two levels of one variable and three levels of the other.
C. three levels of one variable and four levels of the other.
D. four levels of one variable and five levels of the other.
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3)When conducting a chi-square test for independence, a good check on
A. your arithmetic in computing the expected frequencies is to make sure that the expected frequency of each cell is no larger than the observed frequency.
B.the sum of all the expected frequencies times the degrees of freedom equals the sum of all the observed frequencies.
C.for each row and column, the sum of the observed frequencies and the sum of the expected frequencies come out to be the same.
D.for each row, the sum of all the expected frequencies equals the observed frequencies, minus 1, for each column.
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4)In a chi-square test for independence, the null hypothesis is that
A. the two population variances are independent.
B. the two variables are independent in the population.
C. the means of the populations are not equal.
D. the means of the populations are equal.

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