The _____ is commonly used to examine whether two groups are significantly different from each other.

A) t test
B) Mann-Whitney U test
C) Chi-square test
D) r test

T Test

A statistical test used to compare the means of two groups to determine if they are significantly different from each other.

Mann-Whitney U Test

is a non-parametric statistical test used to compare differences between two independent groups when the dependent variable is ordinal or continuous but not normally distributed.

Chi-Square Test

A statistical test used to determine the significance of an observed association between categorical variables.