In a Simple Random Sample of 100 Women from Richmond

question 25

Multiple Choice

In a simple random sample of 100 women from Richmond, Virginia, the average amount of money that these women spent per visit at their hair salons is $32.43. The standard deviation from this sample is $7.84.
Which of these is a correct 95% confidence statement for the interval in the previous question?

• A) We are 95% confident that the mean amount of money that all women in Richmond spend per visit at their hair salons is within the computed interval.
• B) We are 95% confident that the mean amount of money that all women in the sample spend per visit at their hair salons is within the computed interval.
• C) The mean amount of money that 95% of women in Richmond spend per visit at their hair salons is within the computed interval.
• D) The mean amount of money that 95% of women in the sample spend per visit at their hair salons is within the computed interval.

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Definitions:

Developed Countries

Nations with advanced technological infrastructure, high Gross Domestic Product (GDP) per capita, and high standards of living.

Young Adults

Individuals in the late teenage years to early twenties, often considered a critical developmental stage involving the transition from adolescence to full adulthood.

Highest Rates

The most extreme or maximum levels that have been recorded within a specific category or domain.

Norepinephrine

A neurotransmitter involved in the body's response to stress and regulation of mood.