The Sample Size Needed to Estimate a Population Mean to Within

question 31

Multiple Choice

The sample size needed to estimate a population mean to within 10 units was found to be 68.If the population standard deviation was 50,then the confidence level used was:

• A)99%
• B)95%
• C)90%
• D)None of these choices.

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Definitions:

Communication

The process of exchanging information, ideas, thoughts, and feelings between two or more people through verbal, written, or non-verbal methods.

Wages And Interest

This refers to the payment to labor for their contribution to production and the payment made for the use of capital, respectively.

Industrial Revolution

A period of major industrialization that took place during the late 1700s and early 1800s, revolutionizing many aspects of social, economic, and manufacturing processes.