If There Are 6 Means to Be Compared, Then How $\bar { X } _ { 2 }$

question 39

Multiple Choice

If there are 6 means to be compared, then how many possible different comparisons (such as $\bar { X } _ { 2 }$ compared to $\bar { X } _ { 3 }$ ) are there altogether?

• A) 15
• B) 30
• C) 6
• D) 36

---

Definitions:

Target Population

The entire group about which a researcher intends to generalize the findings from a study.

Sampled Population

The sampled population refers to the subset of a population that is selected for analysis in a study, representative of the larger group to derive conclusions about it.

Bias

A systematic error or deviation in results or inferences from the truth, often resulting from process flaws or assumptions that affect the validity of results.

Responses

In statistics, the answers or reactions of subjects from a survey or experiment.