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Chapter 2: Q.25 (page 132)
Jesse was ranked in his graduating class of students. At what percentile is Jesse鈥檚 ranking?
Jesse's ranking is atpercentile.
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The University of California has two criteria used to set admission standards for freshmen to be admitted to a college in the UC system:
a. Students' GPAs and scores on standardized tests (SATs and ACTs) are entered into a formula that calculates an "admissions index" score. The admissions index score is used to set eligibility standards intended to meet the goal of admitting the top of high school students in the state. In this context, what percentile does the top represent?
b. Students whoseGPAs are at or above the 96th percentile of all students at their high school are eligible (called eligible in the local context), even if they are not in the top of all students in the state. What percentage of students from each high school are "eligible in the local context"?
Use the following information to answer the next six exercises. Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars.
First quartile = _______
Construct a frequency polygon from the frequency distribution for the highest ranked countries for depth of hunger
Describe the shape of this distribution.
Use the following information to answer the next two exercises. Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars.
Looking at your box plot, does it appear that the data are concentrated together, spread out evenly, or concentrated in some areas, but not in others? How can you tell?
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