The Figure Above Shows the Market for IPhones

question 11

Multiple Choice

The figure above shows the market for iPhones. Which of the following shifts the demand curve from D0 to D1?

• A) An increase in people's incomes.
• B) A requirement that all students at universities have an iPhone.
• C) A decrease in the price of Zunes, a substitute for iPhones.
• D) An increase in the price of iPhones.
• E) A decrease in the price of iPhones.

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Definitions:

Mean

The arithmetic average of a set of numbers, calculated by adding them together and dividing by the count of numbers.

Confidence Interval

A gambit of values, sourced from sampling data, that probably captures the value of a concealed population parameter.

Mean Score

The average value obtained by dividing the sum of all scores by the number of scores.

Aptitude Test

An exam designed to measure a person's potential to succeed in a certain skill or field of knowledge.