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Solved: Exercise 39 and 40 refer to the 2011 SAT scores. In 2011, a total of N =
Chapter 15, Problem 40(choose chapter or problem)
Exercise 39 and 40 refer to the 2011 SAT scores. In 2011, a total of N = 1,647,123 college-bound students took the SAT test. Assume that the test scores are sorted from lowest to highest and that the sorted data set is 5d1, d2, . . . , d1,647,1236.(a) Determine the position of the third quartile Q3. (b) Determine the position of the 90th percentile scoreX90.
Questions & Answers
QUESTION:
Exercise 39 and 40 refer to the 2011 SAT scores. In 2011, a total of N = 1,647,123 college-bound students took the SAT test. Assume that the test scores are sorted from lowest to highest and that the sorted data set is 5d1, d2, . . . , d1,647,1236.(a) Determine the position of the third quartile Q3. (b) Determine the position of the 90th percentile scoreX90.
ANSWER:Step 1 of 2
(a)
Since 
The third quartile 
The third quartile is the 