All GRE Subject Test: Math Resources
Example Questions
Example Question #611 : Gre Subject Test: Math
The purpose of the t test is to do which of the following?
Possible Answers:
Test the relationship between five or more variables.
Describe the variance within a population.
Compare the significance of multiple variables.
Compare the means of separate populations.
Determine the ability of one variable to predict another.
Correct answer:
Compare the means of separate populations.
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.
Mohammed
Certified Tutor
Certified Tutor
University of Maryland-College Park, Bachelor of Science, Electrical Engineering. University of Maryland-College Park, Master...
Benjamin
Certified Tutor
Certified Tutor
Johns Hopkins University, Bachelor in Arts, Mathematics. Johns Hopkins University, Bachelor of Science, Electrical Engineering.
All GRE Subject Test: Math Resources
Popular Subjects
GMAT Tutors in Los Angeles, ISEE Tutors in San Francisco-Bay Area, Reading Tutors in New York City, SAT Tutors in Philadelphia, Calculus Tutors in Miami, Calculus Tutors in Washington DC, French Tutors in Phoenix, Physics Tutors in Chicago, English Tutors in Denver, ISEE Tutors in Dallas Fort Worth
Popular Courses & Classes
MCAT Courses & Classes in Denver, SAT Courses & Classes in San Francisco-Bay Area, MCAT Courses & Classes in Dallas Fort Worth, LSAT Courses & Classes in Philadelphia, ISEE Courses & Classes in Miami, Spanish Courses & Classes in San Francisco-Bay Area, GMAT Courses & Classes in San Diego, Spanish Courses & Classes in Seattle, GMAT Courses & Classes in Philadelphia, Spanish Courses & Classes in Philadelphia
Popular Test Prep
GMAT Test Prep in New York City, MCAT Test Prep in Los Angeles, MCAT Test Prep in San Diego, LSAT Test Prep in Boston, MCAT Test Prep in Washington DC, GRE Test Prep in Philadelphia, GRE Test Prep in New York City, ISEE Test Prep in Denver, MCAT Test Prep in Chicago, GMAT Test Prep in Los Angeles
