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【单选题】
About t critical value table, which of the statement is wrong?A.
if ν(degrees of freedom)is fixed, probability(P) is inversely proportional to │t│
B.
One-sided tail area (probability):
C.
One-sided tail area (probability):
D.
two-sided tail area (probability):
E.
In the same ν , where the two-sided probability is twice that of the one-sided probability, the corresponding t-critical value is equal ,e.g.
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【简答题】大宗货物一般采用( )运输。
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