To Be Able to Say with 95% Confidence That the Standard

question 47

Multiple Choice

To be able to say with 95% confidence that the standard deviation of a data set is within 10% of the population's standard deviation, the number of observations within the data set must be
Greater than or equal to what quantity?

• A)805
• B)192
• C)335
• D)250

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Definitions:

Sad Voice

A vocal expression that conveys sadness, often characterized by lower pitch, slower speech, and softer volume.

Happy Voice

A vocal expression that conveys joy and positivity, often characterized by a higher pitch and lively intonation.

Social Conformity

The act of matching attitudes, beliefs, and behaviors to what is perceived as societal norms or expectations.

North America

A continent entirely within the Northern Hemisphere and almost wholly within the Western Hemisphere; it is bordered by the Arctic Ocean to the north, Atlantic Ocean to the east, Pacific Ocean to the west and south, and South America and the Caribbean Sea to the southeast.