A.He was born in Indonesia.B.He's got a London accent.C.He came to London when he was
A.He was born in Indonesia.
B.He's got a London accent.
C.He came to London when he was 13.
D.He was not born in London.
A.He was born in Indonesia.
B.He's got a London accent.
C.He came to London when he was 13.
D.He was not born in London.
在一个研究工人年龄(Age)对时薪(AHE)的一元回归方程中,我们得到如下的估计结果:= 1.08 + 0.60 ′ Age (1.17) (0.04) (括号内为回归参数的标注误) 为了检验斜率参数的显著性,则该检验的p值为()。(答案精确到小数点后两位)
linguists give priority to the spoken language not the written language because ______.
A.vocal sounds are derived from writing systems
B.speech precedes writing everywhere in the world
C.we have recording devices to study speech
D.spoken language precedes written language only in Indo - European languages
在一个研究工人年龄(Age)对时薪(AHE)的一元回归方程中,我们分别对具有高中文凭和大学文凭的工人做回归,得到如下估计结果: 高中组:= 6.52 + 0.30 ′ Age (1.25) (0.04) 大学组:= -4.44 + 0.92 ′ Age (1.77) (0.06) 则大学组与高中组年龄对时薪的边际影响差异为()。(答案精确到小数点后两位)
--Would you mind carrying this book for me for two seconds, please? --Oh_________,
A.go ahead
B.its all right
C.let me see
D.with pleasure
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