Test Hypotheses About a Population Mean with Unknown
-Find the Standardized

question 128

Multiple Choice

Test Hypotheses about a Population Mean with Unknown
-Find the standardized test statistic t for a sample with n = 10, x = 8.8, s = 1.3, and = 0.05 if H0: 9.7. Round your answer to three decimal places.

• A) \(- 2.189\)
• B) \(- 3.186\)
• C) \(- 3.010\)
• D) \(- 2.617\)

---

Definitions:

Validity

The accuracy and reliability of a test or measurement.

Inter-Rater Reliability

A measure of the consistency with which different judges or assessors evaluate the same performance or outcome.

Interviewed Applicants

Individuals who have undergone the formal process of being questioned by a potential employer or representative as part of the job application process.

Behavioural Description

An approach in interviewing that focuses on asking candidates to describe past behavior as a predictor of future performance.