智慧树知到《商务统计》章节测试答案

绪论单元测试

1、Penny Bauer， Chief Financial Officer of Harrison Haulage， suspects irregularities in the payroll system， and orders an inspection of ‘each and every payroll voucher issued since 1 January 2005’.Five per cent of the payroll vouchers contained material errors.This is an example of（）.

A.descriptive statistics

B.nonparametric statistics

C.nominal data

D.inferential statistics

正确答案：descriptive statistics

第一章单元测试

1、Michael Bayley， Marketing Director of UniPower’s Electrical Division， is leading a study to identify and assess the relative importance of product features.Michael directs his staff to design a survey questionnaire for distribution to all of UniPower’s 954 customers.For this study， the set of 954 customers is a（）.

A. sample

B.parameter

C.statistic

D.population

正确答案：population

2、Claudia Taylor， Director of Global Industrial Sales in Melbourne， is concerned by a deteriorating sales trend.Specifically， the number of customers is stable at 1500 but they are purchasing less each year.She orders her staff to search for causes of the downward trend by selecting a focus group of 40 industrial customers.For this study， the set of 40 industrial customers is a（）.

A.statistic

B.population

C.parameter

D.sample

正确答案：sample

3、A politician who is running for the office of premier in a state with 3 million registered voters commissions a survey.In the survey， 53.6% of the 5000 registered voters interviewed say they plan to vote for him.The population of interest is the

A.46.4% of， or 2320， voters interviewed who plan not to vote for him

B.53.6 % of， or 2680， voters interviewed who plan to vote for him

C.5000 registered voters intervieweD.D.3 million registered voters in the state.

正确答案：3 million registered voters in the state.

4、Simon Arnett， Director of Human Resources， is exploring the causes of employee absenteeism at Buderim Bottling during the last operating year（1；January 2005 to 31；December 2005）.The average number of absences per employee， calculated from the personnel data of all employees， is a（）.

A.sample

B.population

C.parameter

D.statistic

正确答案：parameter

5、A summary measure that is computed from a sample to describe a characteristic of the population is called