A company that does business in two neighboring countries is considering setting different prices for its product in each market. Which of the following factors should it NOT consider when trying to predict whether this pricing structure will be effective?

• A.Whether customers' willingness to pay is correlated with geography
• B.Whether the product can be ordered online
• C.Whether the product is available in digital form
• D.Whether there are tax holidays in the two countries

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An individual interviews 15 people under the age of 40 and asks each for their age and salary. The resulting scatter plot is shown below.

Based on this graph, the correlation between age and salary appears to be approximately:

• A.-0.3
• B.0.7
• C.0.3
• D.-0.7

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Exhibit:

The scatterplot below shows the relationship between the number of wins for 30 Major League Baseball teams in 2013 and their respective payrolls. The best fit line is included in the scatterplot. Which option below MOST accurately describes the best fit line shown?

• A.y = 0.09 - 72.08x
• B.y = 72.08 - 0.09x
• C.y = 72.08 + 0.09x
• D.y = 0.09 + 72.08x

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A student wants to analyze the relationship between the percentage of the population in a given city with some college experience and the newspaper circulation in that city. College experience is defined as the percentage of adults in the city that have completed high school and taken some classes at the college level. The appropriate data were collected and a regression analysis was performed, the results of which are displayed below.

Assuming a 5% significance level, what can be said about the relationship between newspaper circulation and the percent of the population with some college experience?

• A.The student should not reject the null hypothesis: there is enough evidence to conclude that there is a significant relationship between the percent of the population with some college experience and newspaper circulation.
• B.The student should reject the null hypothesis: there is not enough evidence to conclude that there is a significant relationship between the percent of the population with some college experience and newspaper circulation.
• C.The student should reject the null hypothesis: there is enough evidence to conclude that there is a significant relationship between the percent of the population with some college experience and newspaper circulation.
• D.The student should not reject the null hypothesis: there is not enough evidence to conclude that there is a significant relationship between the percent of the population with some college experience and newspaper circulation.

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Individual orange farmers in a country decide to pool their advertising money and collectively release a new series of advertisements for oranges. Why would the farmers do this?

• A.They want to shift the demand curve for oranges to the right.
• B.They want to increase their market power in the orange production industry.
• C.They want to shift the supply curve for oranges to the right.
• D.They want to differentiate their brands.

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