PT138.S4.Q15 > Analytics

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 Question 14

PASSAGE 3

Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22

PASSAGE 4

Question 23 Question 24 Question 25 Question 26 Question 27

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 Question 26

SECTION 3 · lr

SECTION 4 · lr

Rebecca concludes that manufacturers don’t overestimate how much money their faucets save users because she’s paid less on her water bills since she started using one of their faucets.

The problem here is that we still don’t know what the manufacturers’ claims were. In order to conclude that their claims are not exaggerated, Rebecca would need to prove that she’s saved as much as they claimed she would, but they may have claimed that their faucets save significantly more money than Rebecca has saved. Her water costs decreasing by an unspecified amount does not prove that the manufacturers gave accurate savings estimates.

It’s irrelevant how her overall savings compare to the installation cost. All that matters is how her savings compare to the manufacturer’s claims. The manufacturers could have claimed that she'd save a certain amount per month; we don't know that their claim relates to overall savings compared to installation cost.

This describes Rebecca’s failure to establish how her savings compare to the manufacturers’ claims. Her argument fails if she’s saved less than the manufacturers claimed she would.

Rebecca assumes nothing about how the manufacturers’ estimates compare to each other. She assumes that their claims are consistent with how much she saved.

Rebecca’s argument is only concerned with the accuracy of the manufacturer’s savings estimates, not whether customers are satisfied or not.

Rebecca doesn’t make any claim about what would hypothetically happen if she installed more faucets. She only claims that the manufacturers didn’t exaggerate.

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77% of people who answer get this correct

This is a moderately difficult question.

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

25% 142

151

75% 161

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160

77%

165

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154

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PrepTest 138 - Section 4 - Question 15

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