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Five samples of each of three different rock types were collected on a hiking trip in Colorado. Each sample was analyzed for its gold content. The milligrams of gold found in each sample are presented in the table above. What is the percent difference of the average gold content in the granite samples when compared to the average gold content of the gneiss samples?

A

The gold content in the gneiss samples is 62% higher than the gold content in the granite samples.

B

The gold content in the granite samples is 62% higher than the gold content in the gneiss samples

C

The gold content in the gneiss samples is 87% higher than the gold content in the granite samples.

D

The gold content in the granite samples is 87% higher than the gold content in the gneiss samples.

Text Solution

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The correct Answer is:
D
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Five samples of each of three different rock types were collected on a hiking trip in Colorado. Each sample was analyzed for its gold content. The milligrams of gold found in each sample are presented in the table above. How much larger is the median of the amount of gold in the granite samples than that of the limestone samples?

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