The Null Hypothesis for the Difference of Means Test

Multiple Choice

The null hypothesis for the difference of means test:

A) posits that there will be a significant difference in the averages for the dependent variable for two groups of the independent variable
B) posits that one group will have a higher average than another on the dependent variable
C) is always significant
D) posits that the difference in the averages for the dependent variable for two groups of the independent variable is 0