Use the Following to Answer Questions

question 266

Multiple Choice

Use the following to answer questions:
Figure: The Demand for e-Books
-(Figure: The Demand for e-Books) Look at the figure The Demand for e-Books. What is the price elasticity of demand (by the midpoint method) when the price increases from $6 to $8?

• A) 0.55
• B) 0.5
• C) 2.33
• D) 0.67

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Definitions:

Mean

The mean value of a collection of numbers, obtained by dividing the total sum of the numbers by the quantity of numbers in the collection.

Median

The middle value in a dataset when it is arranged in ascending or descending order, or the average of the two middle values when the dataset has an even number of observations.

Interquartile Range

A measure of variability, calculated as the difference between the 25th and 75th percentiles of a data set.

Mean

The average value of a data set, calculated by summing all observations and dividing by the number of observations.