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For each of the following, indicate whether the data are cross-sectional or time series:
• Company quarterly profits
• Percentage of American adults who work full time
• Historical closing stock prices
Spanish Colonists
Individuals from Spain who settled in territories across the Americas, Africa, and Asia, establishing colonies from the 15th century onwards.
Hasinai
A confederation of Caddo-speaking Native American tribes in the southeastern United States, particularly known for their interaction with Spanish explorers in the 16th century.
Mississippi
A state in the southeastern region of the United States, known for its rich history, cultural heritage, and significant role in the American Civil Rights Movement.
Q3: As the carbon content in steel increases,
Q3: The following table shows representative recent
Q6: A small independent organic food store
Q8: A researcher decides to investigate his students'
Q9: Consider the five number summary for salaries
Q11: You have determined that your cutoff
Q13: Popular data mining tools inspired by models
Q15: Following is a histogram of salaries (in
Q25: A Consumer Reports survey on the level
Q36: Identify the variables and tell whether each