题干
A: Trigger can't be the criminal, because he was at home when the crime took place.
B: Trigger must ____ ____ ____ ____with the crime, because he was at home when the crime took place.
答案(点此获取答案解析）
have,nothing,to,do
，得到一组新数据，若求得的新数据的平均数是
，方差是
，则原来的数据的平均数和方差分别是( )