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【判断题】
在工作岗位上称呼姓名，一般限于领导与员工之间。（）A.
正确
B.
错误
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举一反三
【单选题】What is the standard deviation of returns for the fund shown above?
A.
15.63%
B.
17.63%
C.
18.63%
D.
19.63%
【简答题】What is deviation?
【简答题】The observations are listed as 10, 11, 15 and 18,What is standard deviation of these observations ?(keep one decimal in your answer)
【简答题】What is the standard deviation of the number of CDs owned?
【单选题】Given the following data, what is the correlation coefficient between the two stocks and the Beta of stock A? Standard deviation of returns of Stock A is 10.04% Standard deviation of returns of Stock ...
A.
Correlation Coefficient：0.5296 Beta (stock A):0.06
B.
Correlation Coefficient：0.6556 Beta (stock A):2.21
C.
Correlation Coefficient：0.5296 Beta (stock A):2.21
D.
Correlation Coefficient：0.6556 Beta (stock A):0.06
【单选题】患者，女性，28岁。发热7日，伴有食欲减退、腹胀，患者发病前有涉水史。体 格检查体温40℃，脉搏80次/分，脾肋下2cm，外周血白细胞3.5 × 109/L,中性粒细胞52%，淋巴细胞48%，下列选项中哪种诊断可能性大
A.
阿米巴病
B.
血吸虫病
C.
斑疹伤寒
D.
钩端螺旋体病
E.
伤寒
【单选题】This is the standard deviation formula: What advice is given as the least tedious way of calculating standard deviation?
A.
Use a spreadsheet function
B.
Use a statistical calculator
C.
Use a pen and paper
D.
Don't bother
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