Test Hypotheses Regarding the Difference of Two Independent Means
-Find $\mu _ { 1 } \neq \mu _ { 2 }$

question 37

Multiple Choice

Test Hypotheses Regarding the Difference of Two Independent Means
-Find the standardized test statistic to test the hypothesis that $\mu _ { 1 } \neq \mu _ { 2 }$ . Two samples are randomly selected from each population. The sample statistics are given below. Use $\alpha = 0.02$ .
$$\begin{array} { l l } \mathrm { n } _ { 1 } = 51 & \mathrm { n } _ { 2 } = 38 \\\overline { \mathrm { x } } 1 = 8.6 & \overline { \mathrm { x } } 2 = 9 \\\mathrm {~s} 1 = 0.76 & \mathrm {~s} _ { 2 } = 0.51\end{array}$$

• A) \(- 2.97\)
• B) \(- 1.82\)
• C) \(- 2.12\)
• D) \(- 2.32\)

---

Definitions:

Chronological Résumé

A résumé format that lists work experience and education in reverse chronological order, starting from the most recent.

Personal Networking

Building and maintaining relationships with individuals who might provide support or assistance in personal or professional endeavors.

Online Job Boards

Websites that provide listings of job vacancies, allowing employers to post jobs and job seekers to apply.

Blind Job Postings

Job advertisements where the company's name is not disclosed to the applicants, often to ensure unbiased recruitment.