A Sample of 20 Observations Has a Standard Deviation of 4

question 54

Multiple Choice

A sample of 20 observations has a standard deviation of 4. The sum of the squared deviations from the sample mean is:

• A) 400
• B) 320
• C) 304
• D) 288
• E) 180

Know the importance of ease of doing business with a company from the customer's perspective.

Grasp the measures and metrics used to assess customer service effectiveness.

Understand how companies leverage web-based technologies and metrics to enhance customer satisfaction and service.

Understand the principles of customer orientation and how it drives company strategies.