What Does the T Test Compare

question 55

Multiple Choice

What does the t test compare?

• A) the mean scores of two groups on the same variable to determine the probability that the groups are different
• B) the mean scores of two variables to see if they belong to the same group
• C) the skew of two different samples to see if they come from the same population
• D) the skew of two different samples to see which distribution is closest to the normal distribution

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Definitions:

Quota System

A policy or practice of limiting the number of people from certain groups who can do something, such as immigrate to a country, attend a school, or be employed in certain jobs.

Immigrants

Individuals who move from one country to another with the intention of settling or residing there.

American Population

The total number of people living in the United States of America, including all ethnicities and demographics.

Million

A numerical value of 1,000,000 or a figure representing a large quantity in a specified context.