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【简答题】
互换的特点有( ) A. 平等性 B.同类不同质 C.互惠互利
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皮皮学刷刷变学霸
举一反三
【单选题】The histogram of returns data for the Accel Equity Fund has a long left tail and is more peaked than a normal distribution.. Based on the histogram, the distribution of returns for Accel has:
A.
positive skewness.
B.
negative skewness.
C.
negative excess kurtosis
【单选题】For the histogram of an image as shown, if we want to perform histogram equalization, s(3) should be ( )
A.
4
B.
5
C.
6
D.
7
【单选题】The suggested interval size of the class intervals for a histogram can be estimated by:
A.
consecutive lower class limits divided by 2
B.
consecutive lower class limits divided by the total number of observations.
C.
using the formulas: i>(H-L)/K
D.
consecutive lower class limits divided by the number of frequencies in each class.
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