THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 10

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The faculty advisor for the marketing society at a local business school is interested in determining the monthly expenditures on entertainment for marketing students.The advisor samples some students from each class and computes the sample mean and standard deviation for each class.

-Find a 90% confidence interval for the total expenditures.

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Definitions:

Gibbons v. Ogden

A landmark 1824 U.S. Supreme Court case that ruled the power to regulate interstate commerce was granted to Congress by the Commerce Clause of the Constitution.

Interstate Commerce

The exchange, movement, or transfer of goods and services across state lines within the United States.

National Government Supremacy

The principle that the federal or national government has predominant power and authority over regional or state governments, especially in legislative matters.

Commerce Among States

The regulation of trade and business across state lines, often governed by federal law in contexts such as the United States.