The ________ Is a Statistic That Assumes That the Variable

question 78

Multiple Choice

The ________ is a statistic that assumes that the variable has a symmetric bell-shaped distribution and the mean is known (or assumed to be known) and the population variance is estimated from the sample.

• A)statistic
• B)t statistic
• C)z statistic
• D)none of the above

---

Definitions:

Pre-Tests

Assessments given before a treatment or intervention to establish baseline levels against which changes can be measured.

Post-Tests

Assessments conducted after an intervention, program, or period of instruction to measure its efficacy or the learning outcomes.

Extreme Effects

Refers to the most significant or far-reaching impacts or results of a phenomenon or experiment.

Dependent Variables

Variables in an experiment that are expected to change as a result of changes in the independent variables.