【判断题】总体参数是指总体上的各种数字特征,是描述一个总体情况的统计指标。
【单选题】What will take place in the next few years, according to the president?
A.
A big change in technologies and in the way of thinking.
B.
A change in digitalisation.
C.
A change in the way of manufacturing.
D.
A change in the business cycle.
【单选题】A.Have a big deal with the woman.B.Take the paper out of the copy machine.
A.
Have a big deal with the woman.
B.
Take the paper out of the copy machine.
C.
Buy a new copy machine.
D.
Ask someone to repair the copy machine.
【单选题】一项调查表明,在所抽取的1000个消费者中,他们每月在网上购物的平均消费是200元,他们选择在网上购物的主要原因是“价格便宜”。这里的参数是( )用来描述总体特征的概括性数字度量。
【单选题】The price is fairly cheap for such a big house, but you have to take into account the money you'll spend on repairs.
A.
对这么一幢大房子来说,这价格虽然相当便宜,但你还得考虑维修费用。
B.
对这么一幢大房子来说,这价格可算是公道便宜,但你还得考虑修理要花的钱。
C.
虽然为这幢大房子支付的价格相当便宜,但是你还要把修理费计算在内。
D.
虽然为这幢大房子支付的价格公道便宜,但是要把修理费存在账户内就不合算了。
【单选题】I have got _______ good news for you.You are to change _______ trains in Changsha and take _______ fast one.
【单选题】一项调查表明,在所抽取的1000个消费者中,他们每月在网上购物的平均消费是200元,他们选择在网上购物的主要原因是“价格便宜”。这里的参数是( )用来描述总体特征的概括性数字度量
【单选题】一项调查表明,在所抽取的 1000 个消费者中,他们每月在网上购物的平均消费是 200 元,他们选择在网上购物的主要原因是“价格便宜”。这里的参数是( ),用来描述总体特征的概括性数字度量 。
【单选题】—Which tie would you prefer,the black tie or the red one,Madam? —I’ll take ________ to have a change sometimes.