Math 115 Quiz 2 Spring 08-3

Math 115 Quiz 2 Spring 08-3 - 236, 342 A. Report the five...

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Math 115 Quiz 2 Spring 08 Name:____________________ 1. A GRE test is something like an SAT for students applying to grad school. Let GRE1 be the GRE scores 28,31,34,37,41,42,42,42,47,49,49,51,52,52,60,61,67,72,75,77 in tens of points, for students at a small Midwestern university. Let GRE2 be the list of scores obtained by replacing 310, 420, and 670 with the score of 100. A. Find the five number summary of each of these datasets (The lists are in tens of points, so you should answer either in tens of points, or use the actual scores 280, 310, etc.). 2 Points B. Fill in the missing entries in the following table and answer the question that follows. 10 Points Statistic Measure of (Center/Spread) Resistant (Yes/NO) GRE1 GRE2 Change (By how much does the statistic for the GRE1 dataset differ from the statistic for the GRE2 dataset?) Mean Center NO 504.5 449.5 55 Median Range IQR Standard Deviation What do you notice about the resistant statistics?
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2. This list is the weight in pounds for several football players. 281, 286, 320, 369, 298, 276, 293, 292, 285, 286, 265, 314, 318, 334, 276, 300, 290,
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Unformatted text preview: 236, 342 A. Report the five number summary of this dataset. 1 Point B. Draw a boxplot to display the five number summary. 1 Point C. Use the 1.5*IQR rule to find outliers and state whether they are low outliers or high outliers. 2 Points D. Draw a modified boxplot to display the five number summary and the outliers for this dataset. 1 Point 3. The height in inches of U.S. women aged 20 to 29 are modeled with a density curve that looks like the one given in the exercises below. 1 Point Each A. Shade the region representing the proportion of the women who have a height less than 66 inches. 56 58 60 62 64 66 68 70 72 B. Shade the region representing the proportion of the women who have a height greater than 60, but less than 64 inches. 56 58 60 62 64 66 68 70 72 C. Shade the region representing the proportion of the women who have a height less than 62 or greater than 68 inches. 56 58 60 62 64 66 68 70 72...
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This note was uploaded on 04/09/2008 for the course MATH 115 taught by Professor Rion during the Spring '08 term at Bowling Green.

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Math 115 Quiz 2 Spring 08-3 - 236, 342 A. Report the five...

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