If a Population Has a Standard Deviation of 16, What

question 67

Multiple Choice

If a population has a standard deviation of 16, what is the minimum number of samples that need to be averaged in order to be 95% confident that the average of the means is within 3 of the true mean?

• A) 216
• B) 11
• C) 110
• D) 22

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Definitions:

Tertiary Sector

Jobs that provide services (e.g., teaching, nursing) rather than goods.

Nineteenth Century

The period from 1801 to 1900, marked by significant industrial, social, and political changes worldwide.

Primary Sector

Jobs dedicated to exploiting raw materials (e.g., logging, mining).

Alienated

The feeling of being isolated or estranged from a group or society to which one should belong or in which one should be involved.