When the outcome variable is a nominal variable, the appropriate method to compare multiple groups is:.

When the outcome variable is a nominal variable, the appropriate method to compare multiple groups is:.

the Chi-Square Statistic.

Step-by-step explanation:

A nominal or categorical variable is a variable that has two or more categories, without any intrinsic ordering to the categories. For example, genotype, blood type, zip code, gender, race, eye color, political party produce categorical variables.  And the Chi-Square statistic can be used to test the differences between the observed data and what would be expected if there was truly no relationship between the categorical or nominal variables.

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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