均值=-0.48
樣本方差=166.3363
標(biāo)準(zhǔn)差=12.8971
變異系數(shù)=標(biāo)準(zhǔn)差/均值=-26.869
請大俠幫忙計(jì)算變異系數(shù),均值為負(fù),變異系數(shù)咋算?
請大俠幫忙計(jì)算變異系數(shù),均值為負(fù),變異系數(shù)咋算?
一共50個數(shù)(0.1℃):
3 1 -11 9 -11 -4 -11
-13 -11 -9 -9 -11 -6 12
-18 -4 -16 9 -21 -14 8
-21 -5 -20 -11 11 -3 0
-9 -14 12 5 24 -2 2
12 20 19 -4 -8 0 3
4 15 -4 -8 33 23 9
20
一共50個數(shù)(0.1℃):
3 1 -11 9 -11 -4 -11
-13 -11 -9 -9 -11 -6 12
-18 -4 -16 9 -21 -14 8
-21 -5 -20 -11 11 -3 0
-9 -14 12 5 24 -2 2
12 20 19 -4 -8 0 3
4 15 -4 -8 33 23 9
20
數(shù)學(xué)人氣:421 ℃時間:2020-03-17 22:36:35
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