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【简答题】
为研究销售收入与广告费用支出之间的关系,某医药管理部门随机抽取20家药品生产企业,得到它们的年销售收入和广告费用支出()的数据如右表所示。绘制散点图描述销售收入与广告费用之间的关系并做相关系数的显著性检验。 企业编号 销售收入 广告费用 1 618 45 2 3195 430 3 1675 240 4 753 160 5 1942 390 6 1019 80 7 906 50 8 673 130 9 2395 410 10 1267 200 11 531 40 12 1691 175 13 2580 510 14 93 10 15 192 50 16 1339 340 17 3627 580 18 902 80 19 1907 360 20 967 160 数据: 销售收入与广告费用.csv( 下载附件 202 B)
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举一反三
【单选题】Directions: There are four passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide o...
A.
took objective tests
B.
specialized in one subject
C.
were timed by electric clocks
D.
never wrote exams
【单选题】法律规定,当事人订立合同后分立的,除债权人和债务人另有约定的以外,由分立的法人或者其他组织对合同的权利和义务享有连带债权( )。
A.
承担连带债务
B.
承担连带法律责任
C.
承担连带权利和义务
D.
承担连带的合同责任
【单选题】? Read the article below about the factors that influence buying behavior. ? For each question 23-28 on the opposite page, choose the correct answer. ? Mark One letter (A, B or C) on your Answer Sheet...
A.
to manufacture products customers like most.
B.
to improve their products.
C.
to satisfy their customers.
【单选题】依据《合同法》规定,当事人订立合同后分立的,除另有约定外,由分立的法人或者其他组织对合同的权利和义务享有( )。
A.
连带债权,不承担债务
B.
债权,承担债务
C.
连带债权。承担连带债务
D.
债权,不承担连带债务
【判断题】当事人订立合同后分立的,除另有约定的,由分立的法人或者其他组织对合同的权利和义务享有连带债权,承担连带义务。()
A.
正确
B.
错误
【单选题】艇机启动系统和启动辅助设施应在环境温度______情况下,在启动操作程序开始后______分钟内启动艇机。
A.
-10度、5分钟
B.
-15度、2分钟内
C.
-20度、1分钟内
【单选题】救生艇发动机启动系统和辅助启动设施应在环境温度______,启动操作程序开始后______内启动发动机。
A.
-15℃/2min
B.
-15℃/3min
C.
-10℃/2min
D.
-10℃/3min
【单选题】Directions: There are three passages in this part.Each passage is followed by some questions or unfinished statements.For each of them there are four choices marked A, B, C and D. You should decide on...
A.
find it hard to pay for what they need
B.
have to learn to make their own furniture
C.
take DIY courses run by the government
D.
seldom go to a department store to buy things
【单选题】当事人订立合同后分立的,除债权人和债务人另有约定外,由分立的法人或者其他组织对合同的权利和义务( )。
A.
享有连带债务,承担连带债权
B.
享有连带债权,承担连带债务
C.
享有附带债权,承担连带债务
D.
享有主债权,承担从债务
【单选题】---Could you answer this questio,please? ---______.
A.
I could.
B.
Yes, I could.
C.
Never mind.
D.
Well, let my try.
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