Looking at the ______ for a statistic like a t-statistic provides an indication of the sample size in a study.

A) research hypothesis
B) null hypothesis
C) degrees of freedom
D) alternative hypothesis

Degrees of Freedom

A concept in statistics that represents the number of independent values or quantities that can vary in the calculation of a statistic.

T-statistic

A type of statistic used in hypothesis testing, derived from the t-distribution to compare two means or test a correlation.

Sample Size

The quantity of data points or observations gathered in a sample from a population to conduct statistical analysis.