【单选题】【消耗次数：1】
均数与标准差之间的关系是（ ）
①
标准差越大，均数代表性越大
②
标准差越小，均数代表性越大
③
均数越大，标准差越小
④
均数越大，标准差越大
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相关题目
【单选题】
均数和标准差的关系是:（）。
①
均数愈大,S愈小
②
均数愈大,S愈大
③
S愈大,均数对各变量值的代表性愈好
④
S愈小,均数对各变量值的代表性愈好
⑤
S愈小,均数与总体均数的距离愈大
随机题目
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will rain
②
were to rain
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was raining
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had rained
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①
timing
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time
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happening
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timed
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clear
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clean
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legible
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illegible
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scream
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jolt
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screech
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cling
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powerful
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big
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will
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am going to
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should
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part from
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parted with
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parted in
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parted from
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know
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knew
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had known
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①
but for
②
except for
③
besides
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【单选题】
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①
turned
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swerved
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lunged
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scrambled