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##### Scores on SAT

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solution

**Question**

11.Scores on the SAT verbal test in recent years follow approximately the N(515, 109) distribution.;Reference: Ref 3-8;The proportion of students scoring between 460 and 550 is closest to;A.0.681.;B.0.626.;C.0.309.;D.0.317.;12.Using the standard Normal distribution tables, the area under the standard Normal curve corresponding to ?0.5 < Z ?1.62 is;A.0.0044.;B.0.9956.;C.0.9474.;D.0.0526.;21.For the following density curve, the median is;A.2.00.;B.0.50.;C.1.50.;D.3.50.;22.A stemplot of ages of 18 faculty members in a college math department follows. 4|3 represents 43 years.;Reference: Ref 2-2;The median age (in years) of the faculty members at Wilmington State is;A.39.;B.49.;C.47.5.;D.45.;23.Scores on the SAT verbal test in recent years follow approximately the N(515, 109) distribution.;Reference: Ref 3-8;The proportion of students scoring at least 600 is closest to;A.0.218.;B.0.782.;C.0.184.;D.0.082.;24.A violin student records the number of hours she spends practicing during each of nine consecutive weeks.;6.2;5.0;4.3;7.4;5.8;7.2;8.4;1.2;6.3;Reference: Ref 2-1;What is the interquartile range (IQR) for this data?;A.2.65 hours;B.3.20 hours;C.1.65 hours;D.3.00 hours

Paper#35237 | Written in 18-Jul-2015

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