PT102.S2.Q13

SECTION 1 · rc

PASSAGE 1
Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7

PASSAGE 2
Question 8 Question 9 Question 10 Question 11 Question 12 Question 13

PASSAGE 3
Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21

PASSAGE 4
Question 22 Question 23 Question 24 Question 25 Question 26

SECTION 2 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25

SECTION 3 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22 Question 23 Question 24

SECTION 4 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25 Question 26

PrepTest 102 - Section 2 - Question 13

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Numismatist: In medieval Spain, most gold coins were minted from gold mined in West Africa, in the area that is now Senegal. ███ ████ █████ ██ ████ ██████ ███ ███ ██████ ██████ ███ ████ ███████ ██ ██ ███████ ███████ █████ ██ ██ ██████ ███████ ████████ ███ █████ ███ ██████ █████ ██████ ████ ████ ██████ ██ ████ ███ ██ ██████████ ███████ ████ ████ ████ ████ ████████ ███ █████ █████ ██████ ████ ███ ████████ █████ █████ ██ █████ ████ ███ ████ █████ ████ ████████ ███ ███ ██████████ ████ ███ █████ ████████

Summary

A numismatist tells us that most medieval Spanish gold coins were made of gold mined in Senegal. The Senegalese gold was 92 percent pure, which is so pure that it was never refined further before minting the coins. Gold from other sources, however, could be refined and thus still be minted into coins with a gold content higher than the Senegalese gold.

Strongly Supported Conclusions

The strongly supported conclusions that we can find in these facts are:

Most gold coins minted in medieval Spain had a gold content of 92 percent and were made of unrefined gold.

Medieval Spanish mints were able to refine gold from a purity less than 92 percent to a purity above 92 percent.

Some coins were minted in medieval Spain with a gold content higher than 92 percent, and were made of gold that was originally less than 92 percent pure.

Analysis by AlexandraNash

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13.

Which one of the following ██████████ █████ ████ █████ ██████ ██ ████████ █████ ██ ████ ████████ █████████ ██ ███ ███████████ ███ ███████████ ██████

Coins minted from ██████████ ████ ███ █████████ ███ ████ ███████ ██ ████ ██ ███ ████ ███████████ ██ █████

This is not supported. The stimulus never indicates the weight of different coins, only the purity of the gold used to make them. We have no idea whether all coins made from Senegalese gold had the same total weight.

The source of ████ ███████ ████ ████ █████ █████ ████ ██████ ███ █████████ ████ ████ █ ████ ███████ ██ ████ ████ ██ ████████

This is strongly supported. We know that 92 percent pure Senegalese gold, the purest known, was never refined, so any refined gold coins had to come from a less-than-92-percent pure source. And the facts state that some more-than-92-percent pure (i.e. refined) coins were made.

Two coins could ████ ███ ████ ████████ █████ ████ ██████ ████ ████████ ████ ████ █████ ██ ███ ██████████ ██ ████ ████ ██████████

This is not supported. The facts given don’t suggest anything about the monetary value of different coins, so we just can’t say how that relates to gold percentage.

No gold coins ████ ██████ ████ ███ █ ████ ███████ ██ ████ ████ ██ ████████

This is not supported. We know that some coins were minted with a gold content of 92 percent and that some were minted with an even higher gold content, but the author never indicates whether or not coins were minted with a lower gold content.

The only unrefined ████ ████ █████ █████ █████ ██ ██████ ███ ██████████ █████

This is not supported. Just because medieval Spanish mints made coins out of unrefined Senegalese gold, that doesn’t mean they never used other unrefined gold. Maybe they had a source of 90 percent pure gold that they also didn’t refine. We just don’t know!

Difficulty

Question

60% of people who answer get this correct

This is a very difficult question.

CURVE

Score of students with a 50% chance of getting this right

25% 151

161

75% 172

Analysis

Question Stem Tags

Most strongly supported

Answer Popularity

Popularity Avg. score

164

60%

168

12%

163

10%

160

11%

161

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