问题
单项选择题
适宜用几何均数描述其特征的资料是
A.对称分布资料
B.正态分布资料
C.等比资料
D.明显偏态分布资料
E.一端有不确定数据的资料
答案
参考答案:C
适宜用几何均数描述其特征的资料是
A.对称分布资料
B.正态分布资料
C.等比资料
D.明显偏态分布资料
E.一端有不确定数据的资料
参考答案:C
用方框中所给单词或短语的适当形式填空。 | |
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1. If you want to have the ________hair of all, you should use the kind of shampoo. 2. In Disney cartoons, "________and Beast" is very popular with Chinese children. 3. Many ads are confusing and_______,so many people bought some that they didn't need at all. 4. More new_______make our life more convenient and colorful. 5. If you use this soap, you will have_______skin. |