Use the Following to Answer the Question(s) Below

question 27

Multiple Choice

Use the following to answer the question(s) below.
For many countries tourism is an important source of revenue. Data are collected on the number of foreign visitors to a country (in millions) and total tourism revenue (in billions of dollars) for a sample of 10 countries. Below is the regression analysis output with tourism revenue as the dependent variable.
-If we were interested in predicting the tourism revenue for a particular country that had 30 million foreign visitors

• A) we should construct a confidence interval using the equation Tourism = 0.295 + 21.5 Visitors.
• B) we should construct a prediction interval using the equation Tourism = 21.5 + 0.295 Visitors.
• C) we should use the equation Tourism = 0.295 + 21.5 Visitors.
• D) we should use the coefficient R2 = 0.634.
• E) we should use the correlation coefficient r = = 0.796.

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Definitions:

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A class of drugs used as sedatives and hypnotics, which can depress the central nervous system, leading to various effects from mild sedation to complete anesthesia.

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An illicit narcotic with central nervous system stimulant effects, widely abused for its euphoric effects and potential for addiction.

Caffeine

A stimulant commonly found in coffee, tea, and other beverages, known for enhancing alertness and temporarily warding off drowsiness.

Caffeine

A stimulant found in coffee, tea, and various sodas and energy drinks, known for its ability to temporarily ward off drowsiness and restore alertness.