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【单选题】
In___________, the footnotes can also be placed at the right side of the table.
A.
NEJM
B.
JAMA
C.
Lancet
D.
BMJ
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】_________ can be subdivided into two or more categories and subheading is used for each category.
A.
A column heading
B.
A title
C.
Footnotes
D.
Lines of demarcation
【单选题】In____________, “Table #” is usually followed by a short vertical line.
A.
NEJM
B.
JAMA
C.
Lancet
D.
BMJ
【单选题】某次语文考试中考生的分数X~N(90,100),则分数在70分到110分之间的考生占总考生数的百分比是
A.
0.6826
B.
0.9544
C.
0.9974
D.
0.3174
【单选题】设随机变量X的函数为Y=aX+b，(a，b为常数)，且E(X),D(X)均存在，则必有
A.
E(Y)=aE(X)
B.
D(Y)=aD(X)
C.
E(Y)=aE(X)+b
D.
D(Y)=aD(X)+b