A Company Decided to Test the Hypothesis That the Average

question 65

Multiple Choice

A company decided to test the hypothesis that the average time a company's employees are spending to check their private e-mails at work is more than 6 minutes.A random sample of 40 employees were selected and they averaged 6.6 minutes.It is believed that the population standard deviation is 1.7 minutes.The α is set to 0.05.The critical value for this hypothesis test would be ______.

• A) 6.0
• B) 7.4
• C) 6.4
• D) 7.9

---

Definitions:

Tracking

The act of monitoring and recording the movement or progress of an object or trend over a period of time.

Interesting Sound

A noise or tone that captures attention due to its unique, pleasing, or intriguing qualities.

Perceptual Constancy

The tendency of perceiving objects as unchanging (having consistent colors, brightness, shape, and size) even as illumination and retinal images change.

Monocular

Referring to or involving one eye.