Admission Tests Related Exams
GMAT Exam
For any data set, the proportion of data that lies within A" standard deviations of its mean is at least 1 - -K. The scores on a spelling test taken by 64 students have a mean of 74.0 and a standard deviation of 6.0. If t\$ the number of students who have scores greater than 62 and less than 86, and t\s as small as possible, what is the value of t?
Art expert: If a painting is from the Hudson River School of the mid-nineteenth century United States, it will display a romantic reverence for landscape, portraying pastoral
scenes in which humans and nature coexist peacefully. The painting that was recently discovered in the attic of the old town hall dates from the 1850s and portrays a
pastoral landscape in which two couples are having a peaceful picnic. So the painting must be from the Hudson River School.
The critic’s argument is flawed in that it