In a large population, very close to 25% of the observations will fall below the 25th percentile (Q1), and close to 75% fall below the 75th percentile (Q3). The
Web site of the Educational Testing Service reports that on the SAT
Mathematics test, with a possible perfect score of 800, the 96th percentile of
1,475,623 scores nationwide is a score of 720.
What is the best estimate of exactly how many scores were below 720?
A. 84
ооо
B. 1,417,000
C. 557
D. 80%
оо
E. 192,000
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