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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