GRE数学例题：数据解释题型（7）
<p> 15.<span word="The">The</span> <span word="median">median</span> <span word="score">score</span> <span word="for">for</span> <span word="the">the</span> <span word="class">class</span> <span word="is">is</span></p><p> <span word="A">A</span>.76</p><p> <span word="B">B</span>.77</p><p> <span word="C">C</span>.78</p><p> <span word="D">D</span>.79</p><p> <span word="E">E</span>.80</p><p> 答案：<span word="B">B</span></p><p> 16.<span word="If">If</span> 5 <span word="points">points</span> <span word="were">were</span> <span word="added">added</span> <span word="to">to</span> <span word="each">each</span> <span word="score">score</span>, <span word="which">which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="would">would</span> <span word="not">not</span> <span word="be">be</span> <span word="affected">affected</span>?</p><p> <span word="A">A</span>.<span word="The">The</span> <span word="highest">highest</span> <span word="score">score</span></p><p> <span word="B">B</span>.<span word="The">The</span> <span word="mean">mean</span> <span word="for">for</span> <span word="all">all</span> <span word="scores">scores</span></p><p> <span word="C">C</span>.<span word="The">The</span> <span word="median">median</span> <span word="for">for</span> <span word="the">the</span> <span word="seniorsscores">seniorsscores</span></p><p> <span word="D">D</span>.<span word="The">The</span> <span word="mode">mode</span> <span word="for">for</span> <span word="the">the</span> <span word="juniors">juniors</span> <span word="scores">scores</span></p><p> <span word="E">E</span>.<span word="The">The</span> <span word="standard">standard</span> <span word="deviation">deviation</span> <span word="for">for</span> <span word="all">all</span> <span word="scores">scores</span></p><p> 答案：<span word="E">E</span></p><p> 17.<span word="If">If</span> <span word="the">the</span> <span word="mean">mean</span> <span word="score">score</span> <span word="for">for</span> <span word="the">the</span> <span word="juniors">juniors</span> <span word="were">were</span> <span word="known">known</span>, <span word="which">which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="could">could</span> <span word="be">be</span> <span word="calculated">calculated</span> <span word="from">from</span> <span word="the">the</span> <span word="information">information</span> <span word="given">given</span>?</p><p> <span word="The">The</span> <span word="range">range</span> <span word="of">of</span> <span word="the">the</span> <span word="scores">scores</span> <span word="for">for</span> <span word="the">the</span> <span word="seniors">seniors</span></p><p> <span word="The">The</span> <span word="median">median</span> <span word="score">score</span> <span word="for">for</span> <span word="the">the</span> <span word="juniors">juniors</span></p><p> <span word="The">The</span> <span word="mean">mean</span> <span word="score">score</span> <span word="for">for</span> <span word="the">the</span> <span word="seniors">seniors</span></p><p> <span word="A">A</span>.<span word="None">None</span></p><p> <span word="B">B</span>. <span word="only">only</span></p><p> <span word="C">C</span>. <span word="only">only</span></p><p> <span word="D">D</span>. <span word="and">and</span></p><p> <span word="E">E</span>. <span word="and">and</span></p><p> 答案：<span word="C">C</span></p><p> </p><p> </p>
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