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 Verbal test, with a possible perfect score of 800, the 89th percentile of 1,475,623 scores nationwide is a score of 670. What is the best estimate of exactly how many scores were below 670?

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Sellers

Today, 02:02

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Answers (1)

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Maxim Bowen · Answer 1

Solving:

.89 * 1,475,623 = 1,313,304.47

So, the answer would be:

approximately equal to 1,313,305 number of scores were below 670