A Sample of 46 Students Enroll in a Program That $\bar { x } = 16$

question 85

Multiple Choice

A sample of 46 students enroll in a program that claims to improve scores on the quantita reasoning portion of the Graduate Record Examination (GRE) . The participants take a mc GRE test before the program begins and again at the end to measure their improvement.
The mean number of points improved was $\bar { x } = 16$ . Assume the standard deviation is $\sigma = 53$ and let $\mu$ be the population mean number of points improved. To determine whether the program is effective, a test is made of the hypotheses $H _ { 0 } : \mu = 0$ versus $H _ { 1 } : \mu > 0$ . ive Compute the value of the test statistic.

• A) 14.91
• B) 0.0202
• C) 0.30
• D) 2.05

---

Definitions:

Vision

The ability to see or plan the future with imagination or wisdom.

Popular Change Programs

Widely adopted initiatives aimed at transforming organizational structures, processes, or culture.

Institutional Problems

Issues or challenges that arise within and are specific to an organization's structure, culture, or practices.

Multicultural

Relating to, or designed for the inclusion of multiple cultural perspectives and practices.