Exhibit 21-2 A Simple Random Sample of 43 Elements Has Been Selected

question 17

Multiple Choice

Exhibit 21-2
A simple random sample of 43 elements has been selected from a population of size 800. The sample mean is 500, and the sample standard deviation is 60.
-Refer to Exhibit 21-2. An approximate 95% confidence interval for the population mean is

• A)482.2 to 517.8
• B)440.0 to 560.0
• C)500.0 to 560.0
• D)440.0 to 500.0

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Digital Image

A visual representation of an object, scene, or person produced on a digital device or stored as digital data.

Digital Communication

The exchange of information through electronic means, including email, social media, and messaging apps.

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Foursquare

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