Word: median
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...students used to taking SATs and Math 21a examinations, the majority of the test-takers don’t even receive full credit for a single problem. According to Ravi Vakil, co-author of a book on the competition from 1985-2000 and the Putnam coordinator at Stanford, the median score is usually zero or one. “Keeping in mind that the people taking the Putnam are self-selected from the smartest mathematical minds in the continent, this undoubtedly is the hardest test in the world,” Vakil writes in an e-mail...
...fact, this year’s median score, a 3, was unusually high; most students interviewed agreed that the test was easier this year than in past years...
...Median raise that full-time female workers received last year...
...Median raise that full-time male workers received last year...
...well. In 1950 the rate was 1.5%, and it applied to only the first $3,000 of earnings. No one paid more than $45 in Social Security tax. Even by 1970, after the rate had gone up to 4.2%, taxable earnings were $7,800, some $2,000 below the median family income. By 1980 the rate had climbed to 5.08%, and it was levied on the first $25,900 of income, well above the median family income of $21,023. Over the past 25 years, Social Security and Medicare taxes paid by a median-income family have spiraled 333%, from...