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22 Mar 2021, 09:00
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Difficulty:
15%
(low)
Question Stats:
80% (01:18) correct
20%
(02:02)
wrong
based on 124
sessions
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Not Attempted Yet
In an interview that appeared in a weekly plumbing magazine, the chairperson of the Plumbing Association stated that plumbers are called 45% more on Fridays than on any other day of the week. The chairperson claimed that, though unexplained, it seems pipes are 45% more likely to burst on Fridays.
Which of the following, if true, would most seriously weaken the chairperson's claim that pipes are 45% more likely to burst on Fridays?
(A) Not only plumbers but also electricians are requested to fix appliances on Fridays more than on any other day of the week.
(B) People are more concerned about their houses being intact before the weekend than on any other time during the week.
(C) A comprehensive survey of 504 households throughout the United States clearly shows that plumbers are called 45% less frequently on Sundays than on any other day of the week.
(D) Plumbers charge twenty percent more for house calls made on Friday.
(E) There is an undeniable correlation between the strength of the metal used for pipes and the anti-oxidizing coating it is painted with prior to installation.
Which of the following, if true, would most seriously weaken the chairperson's claim that pipes are 45% more likely to burst on Fridays?
(A) Not only plumbers but also electricians are requested to fix appliances on Fridays more than on any other day of the week.
(B) People are more concerned about their houses being intact before the weekend than on any other time during the week.
(C) A comprehensive survey of 504 households throughout the United States clearly shows that plumbers are called 45% less frequently on Sundays than on any other day of the week.
(D) Plumbers charge twenty percent more for house calls made on Friday.
(E) There is an undeniable correlation between the strength of the metal used for pipes and the anti-oxidizing coating it is painted with prior to installation.
22 Mar 2021, 22:36
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(A) Not only plumbers but also electricians are requested to fix appliances on Fridays more than on any other day of the week. Does not attack the casual correlation stated in the conclusion
(B) People are more concerned about their houses being intact before the weekend than on any other time during the week. This makes a lot of sense. People are less concerned to fix the pipes on other days than on Fridays- Correct
(C) A comprehensive survey of 504 households throughout the United States clearly shows that plumbers are called 45% less frequently on Sundays than on any other day of the week. This is irrelevant data that does not attack the conclusion
(D) Plumbers charge twenty percent more for house calls made on Friday.Irrelevant
(E) There is an undeniable correlation between the strength of the metal used for pipes and the anti-oxidizing coating it is painted with prior to installation.Does not talk about Fridays
(B) People are more concerned about their houses being intact before the weekend than on any other time during the week. This makes a lot of sense. People are less concerned to fix the pipes on other days than on Fridays- Correct
(C) A comprehensive survey of 504 households throughout the United States clearly shows that plumbers are called 45% less frequently on Sundays than on any other day of the week. This is irrelevant data that does not attack the conclusion
(D) Plumbers charge twenty percent more for house calls made on Friday.Irrelevant
(E) There is an undeniable correlation between the strength of the metal used for pipes and the anti-oxidizing coating it is painted with prior to installation.Does not talk about Fridays
11 Apr 2022, 23:29
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