Looking at the degrees of freedom for a statistic like a t-statistic provides information regarding ______.

A) the size of the sample
B) the sample mean
C) whether alpha is one-tailed or two-tailed
D) the population mean (μ)

T-statistic

A type of statistic used in hypothesis testing, calculated as the ratio of the departure of the estimated value of a parameter from its hypothesized value to its standard error.

Sample Size

The count of data points or observations gathered in a research study for deriving conclusions.

Population Mean

The average of a set of characteristics (e.g., measurements, scores) for every individual or entity in the entire population.