t-Distribution

GRE Quantitative Reasoning · Learn by Concept

Help Questions

GRE Quantitative Reasoning › t-Distribution

1 - 1
1

The purpose of the t test is to do which of the following?

Compare the means of separate populations.

CORRECT

Determine the ability of one variable to predict another.

0

Compare the significance of multiple variables.

0

Test the relationship between five or more variables.

0

Describe the variance within a population.

0

Explanation

A t test is used to compare the means of different groups. A t test score describes the likelihood that the difference in means between two groups is due to chance. The null hypothesis assumes the two sets are equal however, one can reject the null hypothesis with a p value within a particular confidence level.

Return to subject
AI Study Coach
Instant Tutoring
Request a Tutor
Live Classes
Question of the Day
Flashcards
Worksheets
AI Solver
Learn by Concept
Diagnostic Tests
Practice Tests
Games