A Student Wanted to Quickly Construct a 95% Confidence Interval

question 114

Multiple Choice

A student wanted to quickly construct a 95% confidence interval for the average age of students in her statistics class. She randomly selected 9 students. Their average age was 19.1 years with a standard deviation of 1.5 years. What is the best point estimate for the population mean?

• A) 2.1 years
• B) 1.5 years
• C) 19.1 years
• D) 9 years
• E) 17.6 years

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Definitions:

Products and Services List

A comprehensive categorization of the goods sold and services offered by a business, often used for inventory management and sales record.

3-Way Match

A process in accounting used to compare the purchase order, the receiving report, and the supplier's invoice before making a payment.

Internal Control

Measures and protocols established within an organization to safeguard its assets, enhance the reliability of its accounting records, and increase efficiency in operations.

Bundle

A group of products or services sold together, often at a reduced price compared to purchasing each item individually.