In testing for the equality of k population means, the number of treatments is​

A) ​k.
B) ​k - 1.
C) ​n_T.
D) ​n_T - k.

Population Means

Refers to the average value of a particular characteristic within a total population.

Number of Treatments

Refers to the distinct levels or conditions in an experimental or observational study to investigate their effects on outcomes.

K

In various contexts, it could represent a constant value, the number of clusters in K-means clustering, or the symbol for a thousand.