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. 192,000 B. 557 C. 1,417,000 D. 84 E. 80%
well we can i believe eliminate a and c
never mind
why
The answer is n the question 96% of the population fall beloe the 96 percentile. Work out what 96% of the total number of scores was - that's your answer
yes thank you
okay lol
people are anoying me on yahoo
oh noo
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