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1. A recent study of 100 employees from six departments of a major corporation found 65% to be sleep deprived. The researchers concluded that the majority of corporate employees are sleep deprived.The researcher s conclusion is suspect because it:A assumes that corporate employees are more sleep deprived than other peopleB is based on evidence that is statistically impossibleC fails to describe the effects the sleep deprivation hasD relies on a sample that is too small to represent the entire corporate workforce2. Mrs. Orlof teaches two history classes one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed the test than students who took the afternoon test more of Orlof s morning history students than afternoon history students will have to take the retest.The conclusion above is not necessarily valid because:A more students in the morning class may have passed the test than failed the testB some students may have been absent from both classesC some of the students who passed the afternoon test may have received information about the test from morning studentsD more students may have taken the test in the afternoon than in the morning3. All sages provide both wisdom and inspiration. Since Dasha s speech contained wisdom and greatly inspired her audience Dasha is a sage.Which one of the following points out the flaw in the argument aboveA Just because Dasha is a sage doesn t mean that she is always wise and inspirational.B Just because Dasha s speech provided wisdom and inspiration doesn t mean that it provided more wisdom than inspiration.C Just because Dasha satisfied two requirements of being a sage doesn t necessarily mean that she satisfies all the requirements of being a sage.D Just because Dasha provided wisdom and inspiration in a speech doesn t mean that all sages use speeches to provide wisdom and inspiration.4. The untimely death of Professor Hathaway halted his groundbreaking research into the uses of solar power. It therefore appears that Hathaway s research will not result in practical applications.Which one of the following if true most seriously weakens the argumentA Professor Hathaway s research can be used by other scientists to create useful applications.B Not all professors at Professor Hathaway s university knew that he was conducting research into the uses of solar power.C Officials at Professor Hathaway s university have refused requests to make Professor Hathaway s research public.D Researchers at other universities are conducting research into the potential applications of solar power.

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