Question

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

PREVIOUS

Answer 1

1,417,000

Explanation:

Given that:

Score = 1,475,623

96% of nationwide

96% of score gives the best estimate of the number of scores below 720

0.96 * 1475623

= 1416598.08

The best estimate is 1,417,000