In Testing the Difference Between the Means of Two Normally

question 33

Multiple Choice

In testing the difference between the means of two normally distributed populations,the number of degrees of freedom associated with the unequal-variances t-test statistic usually results in a non-integer number.It is recommended that you:

• A)round to the nearest integer.
• B)change the sample sizes until the number of degrees of freedom becomes an integer.
• C)assume that the population variances are equal,and then use df = n₁ + n₂ − 2.
• D)None of these choices.

---

Definitions:

Hidden Curriculum

The unintended lessons, values, and perspectives that students learn in school, which are not part of the formal curriculum.

Performance

Refers to the act of executing a task or the level of efficiency and effectiveness with which an activity is carried out.

Informally

In an unofficial or casual manner, without strict adherence to rules or formalities.

Being Socialized

The process by which individuals learn and internalize the values, beliefs, and norms of their culture, shaping their behavior and perspectives.