【单选题】【消耗次数：1】
均数与标准差之间的关系是（ ）
①
标准差越大，均数代表性越大
②
标准差越小，均数代表性越大
③
均数越大，标准差越小
④
均数越大，标准差越大
参考答案：
复制
纠错
相关题目
【单选题】
均数和标准差的关系是:（）。
①
均数愈大,S愈小
②
均数愈大,S愈大
③
S愈大,均数对各变量值的代表性愈好
④
S愈小,均数对各变量值的代表性愈好
⑤
S愈小,均数与总体均数的距离愈大
随机题目
【单选题】
It is ____ with the customer not to let the shop
assistants guess what she really likes and wants until
the last moment.
①
in her honor
②
on her honor
③
a point of honor
④
an honor
【单选题】
But the Swiss discovered long years ago that
constant warfare brought them ____suffering and
poverty.
①
anything but
②
nothing but
③
none other than
④
no more than
【单选题】
Information and opinion gap exercises have to have
some content ___ talking about.
①
worthwhile
②
worthily
③
worth
④
worthy
【单选题】
Jane tried to ____ the doorman with money, but she
failed.
①
bribe
②
corrupt
③
award
④
endow
【单选题】
He packed an ____ shirt in case he had to stay another day.
①
spare
②
unnecessary
③
excessive
④
extra
【单选题】
I was awfully tired when I got home from work, but a
half hour nap ____ me.
①
revived
②
released
③
relieved
④
recovered
【单选题】
An institution that properly carries the name university is a more comprehensive and complex institution than any other kind of higher education ____.
①
settlement
②
establishment
③
construction
④
structure
【单选题】
Jane is in a hurry because the train to the airport leaves ______ half an hour.
①
by
②
in
③
for
④
until
【单选题】
Lily is upset these days. Do you know how to ______ her ______?
①
cheer; up
②
cheer; on
③
pick; up
④
put; away