偏相关系数与回归系数显著性检验的t值是等价的 ( )
A. 对
B. 错
偏决定系数与回归系数显著性检验的偏F值是等价的 ( )
A. 对
B. 错
Professor White has written some short stories, but he is _____ known for his plays.
A. the best
B. more
C. better
D. the most
It looks like the weather is changing for _____. Shall we stick to our plan?
A. the worse
B. worse
C. the worst
D. worst