Distributions A and B in the figure below have
A、the same mean and the same variance.
B、different means and different variances.
C、the same mean, but different variances.
D、different means, but the same variance.
第3题
A.0
B.1
C.2
D.3
第5题
A.vernacular
B.interior monologue
C.unique point of angle
D.photographic description
第6题
A.vernacular
B.interior monologue
C.unique point of angle
D.photographic description
第7题
A.
B.
C.
D.
第8题
A、circle and circle
B、circle and ellipse
C、ellipse and circle
D、ellipse and ellipse
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