【单选题】【消耗次数：1】
多个方案相比较，标准离差率越小的方案，其风险
①
越大
②
越小
③
不存在
④
无法判断
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相关题目
【单选题】
已知甲方案投资收益率的期望值是15%，乙方案投资收益率的期望值为12%，两个方案都存在投资风险。比较甲、乙两方案风险大小应采用的指标是（ ）
①
方差
②
净现值
③
标准离差率
④
标准离差
【单选题】
已知甲方案投资收益率的期望值为15%，乙方案投资收益率的期望值为12%，两个方案都存在投资风险。比较甲、乙两方案风险大小应采用的指标是（ ）。
①
方差
②
净现值
③
标准离差
④
标准离差率
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have written it
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as more difficult as ; more expensive
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