Ace Quiz 2

Front 1

When is a t-test indicated?

Back 1

For Categorical data (Proportions):

1 group with n > 25

For Continuous data (means):

1 group or pair matched with n<100

Front 2

When is a 2 sample t-test indicated?

Back 2

For continuous data with 2 groups where n is large

Front 3

When is a Wilcoxon test indicated?

Back 3

For continuous data with 2 groups where n is small and there are extreme values

Front 4

When is an ANOVA used?

Back 4

For continuous data with 3 or more groups

Front 5

When is a chi-square test used?

Back 5

For categorical data:

With 2 groups when n is large

With 3 or more groups

Front 6

When is McNemara's test used?

Back 6

With categorical data that is pair matched

Front 7

When is Fisher's exact test used?

Back 7

With categorical data:

2 Groups where some cells are <=5

Front 8

What does ANOVA compare?

Back 8

the means of 3 or more samples of observations

Front 9

When is a paired t-test used?

Back 9

when there is a relationship between the variables – e.g., pre-test/post test

Front 10

What does R-square indicate?

Back 10

amount of variance in the dependent variable explained by the regression model