A contingency table involves
a. one category of classification.
b. more than one variable on which subjects are classified.
c. no more than two levels of classification.
d. a substantially different computational approach.
Question 2With several categories in a goodness-of-fit test, a significant result means
a. the categories increase in frequency from left to right.
b. the categories decrease in frequency from left to right.
c. the categories are equally frequent.
d. The test doesn't pay any attention to which category is larger than which other categories.
Question 3The multicategory goodness-of-fit case for chi-square is
a. a simple extension of the two-category case.
b. a way of comparing more that two categories.
c. a common situation.
d. all of the above
Question 4The null hypothesis for the previous example which used a chi-square is
a. men and women do not differ on computer science lab report scores.
b. cats and dogs eat the same number of meals.
c. political affiliation and voting behavior on drunk driving are independent variables.
d. children and adults do not show different deviations in visual acuity.
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