A Popular Restaurant Takes a Random Sample N = 25

question 110

Multiple Choice

A popular restaurant takes a random sample n = 25 customers and records how long each occupied a table. They found a sample mean of 1.2 hours and a sample standard deviation of 0.3 hour. Find the 95 percent confidence interval for the mean.

• A) 1.2 ± .118
• B) 1.2 ± .124
• C) 1.2 ± .588
• D) 1.2 ± .609

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Definitions:

Exchange Theory

A theoretical framework suggesting that social behavior is the result of an exchange process aiming to maximize benefits and minimize costs to individuals.

Rational Choice Theory

A framework for understanding and often formally modeling social and economic behavior based on the assumption that individuals act on rational self-interest.

Network Theory

A theory in sociology and other fields that examines how networks of social interactions influence behavior and outcomes.

Rational Choice Theory

A theory in social science that posits individuals always make prudent and logical decisions that provide them with the highest amount of personal utility.