A Recent Study Reported That 18- to 24- Year- Olds

question 52

Multiple Choice

A recent study reported that 18- to 24- year- olds averaged 192 restaurant visits per year. Assume that the standard deviation for number of visits per year for this age group is 56.5. To validate these findings, a random sample of forty 18- to 24- year- olds was selected and found to average 212 restaurant visits per year. Which of the following statements is correct?

• A)The interval that contains 95% of the sample means is 174.5 and 209.5 visits. Because the sample mean is not between these two values, we do not have support for the results of the study.
• B)The interval that contains 95% of the sample means is 170.3 and 213.7 visits. Because the sample mean is between these two values, we do not have support for the results of the study.
• C)The interval that contains 95% of the sample means is 174.5 and 209.5 visits. Because the sample mean is not between these two values, we have support for the results of the study.
• D)The interval that contains 95% of the sample means is 170.3 and 213.7 visits. Because the sample mean is between these two values, we have support for the results of the study.

Analyze the motivations behind and the effects of the coinage of silver.

Recognize important legislation of the period, such as the Pendleton Civil Service Act, the Interstate Commerce Act, and civil rights legislation, and understand their objectives and impacts.

Identify the social and economic challenges faced by American farmers in the late nineteenth century.

Discuss the role and influence of public opinion, media, and recreation on politics during the Gilded Age.

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Definitions:

Resources Scarcity

The economic condition of limited natural resources available to meet the unlimited wants and needs of people.

Downward Slope

A graphical representation indicating a decrease or decline in a variable as another variable increases, often seen in demand curves.

Production Possibility Frontier

An illustration representing the highest potential outputs for multiple goods using specific resources.

Economy Grows

The increase in the production of goods and services over a period, indicating economic health.