The T Test If We Calculate a T Test for Matched

question 7

Multiple Choice

The t Test If we calculate a t test for matched groups with 20 subjects, there will be ___ degrees of freedom.

• A)18
• B)19
• C)20
• D)38

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Definitions:

Least Squares

A mathematical method used to determine the best-fitting line through a set of data points by minimizing the sum of the squares of the differences between observed and estimated values.

Standard Deviation

A measure of the dispersion or variability of a set of data points around the mean, indicating how spread out the data points are.

SPSS

Statistical Package for the Social Sciences, a software package used for data management and statistical analysis.

T Test

A statistical test used to compare the means of two groups and determine if they are significantly different from each other.