Q1. What are the median and the third quintile of the following data points, respectively? 9.2%, 10.1%, 11.5%, 11.9%, 12.2%, 12.8%, 13.1%, 13.6%, 13.9%, 14.2%, 14.8%, 14.9%, 15.4% A) 13.1%; 13.7%. B) 13.1%; 13.6%. C) 12.8%; 13.6%.
Q2. What is the seventh decile of the following data points? 81 84 91 97 102 108 110 112 115 121 128 135 138 141 142 147 153 155 159 162 A) 141.0. B) 142.0. C) 141.7.
Q3. What does it mean to say that an observation falls in the sixty-fifth percentile? A) 65% of all the observations are below that data point. B) 35% of all the observations are above that data point. C) 65% of all the observations are above that data point.
Q4. Consider the following set of stock returns: 12%, 23%, 27%, 10%, 7%, 20%,15%. The third quartile is: A) 23%. B) 21.5%. C) 20.0%.
Q5. One year ago, an investor made five separate investments with the invested amounts and returns shown below. What is the arithmetic and geometric mean return on all of the investor’s investments respectively? Investment Invested Amount Return (%) A 10,000 12 B 10,000 14 C 10,000 9 D 20,000 13 E 20,000 7 A) 11.64; 10.97. B) 11.00; 10.78. C) 11.00; 10.97.
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发表于 2009-1-6 11:20
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