TEST BANK
STATISTICAL TECHNIQUES IN BUSINESS AND ECONOMICS
19TH EDITION
CHAPTER NO. 01 WHAT IS STATISTICS?
1) A population is a collection of all individuals, objects, or measurements of interest.
⊚ true
⊚ false
Answer: true
2) Statistics are used as a basis for making decisions.
⊚ true
⊚ false
Answer: true
3) A listing of 100 family annual incomes is an example of statistics.
⊚ true
⊚ false
Answer: false
4) The average number of passengers on commercial flights between Chicago and New York
City is an example of a statistic.
⊚ true
⊚ false
Answer: true
5) Statistics is used to report the summary results of market surveys.
⊚ true
⊚ false
Answer: true
,6) A sample is a portion or part of the population of interest.
⊚ true
⊚ false
Answer: true
7) To infer something about a population, we usually take a sample from the population.
⊚ true
⊚ false
Answer: true
8) Descriptive statistics are used to find out something about a population based on a sample.
⊚ true
⊚ false
Answer: false
9) There are four levels of measurement: qualitative, quantitative, discrete, and continuous.
⊚ true
⊚ false
Answer: false
10) The ordinal level of measurement is considered the "lowest" level of measurement.
⊚ true
⊚ false
Answer: false
11) A store asks shoppers for their zip codes to identify market areas. Zip codes are an example
of ratio data.
⊚ true
⊚ false
Answer: false
,12) An ordinal level of measurement implies some sort of ranking.
⊚ true
⊚ false
Answer: true
13) Data measured on a nominal scale can only be classified into categories.
⊚ true
⊚ false
Answer: true
14) The terms descriptive statistics and inferential statistics can be used interchangeably.
⊚ true
⊚ false
Answer: false
15) A marketing research agency was hired to test a new DVD player. Consumers rated it
outstanding, very good, fair, or poor. The level of measurement for this experiment is
ordinal.
⊚ true
⊚ false
Answer: true
16) The Union of Electrical Workers of America with 9,128 members polled 362 members about
a new wage package that will be submitted to management. The population is the 362
members.
⊚ true
⊚ false
Answer: false
, 17) The CIA World Factbook cited these numbers for the United States:
• The birthrate is 13.66 births per 1,000 of the population.
• The average life expectancy for females is 81.17 years.
• Approximately 316.7 million people reside in the United States.
Each of these numbers is referred to as a statistic.
⊚ true
⊚ false
Answer: true
18) If we select 100 people from 25,000 registered voters and question them about candidates
and issues, the 100 people are referred to as the population.
⊚ true
⊚ false
Answer: false
19) Statistics is defined as a body of techniques used to facilitate the collection, organization,
presentation, analysis, and interpretation of information for the purpose of making better
decisions.
⊚ true
⊚ false
Answer: true
20) Categorizing voters as Democrats, Republicans, and Independents is an example of interval
level measurement.
⊚ true
⊚ false
Answer: false
21) The order in which runners finish in a race would be an example of continuous data.
⊚ true
⊚ false
Answer: false
STATISTICAL TECHNIQUES IN BUSINESS AND ECONOMICS
19TH EDITION
CHAPTER NO. 01 WHAT IS STATISTICS?
1) A population is a collection of all individuals, objects, or measurements of interest.
⊚ true
⊚ false
Answer: true
2) Statistics are used as a basis for making decisions.
⊚ true
⊚ false
Answer: true
3) A listing of 100 family annual incomes is an example of statistics.
⊚ true
⊚ false
Answer: false
4) The average number of passengers on commercial flights between Chicago and New York
City is an example of a statistic.
⊚ true
⊚ false
Answer: true
5) Statistics is used to report the summary results of market surveys.
⊚ true
⊚ false
Answer: true
,6) A sample is a portion or part of the population of interest.
⊚ true
⊚ false
Answer: true
7) To infer something about a population, we usually take a sample from the population.
⊚ true
⊚ false
Answer: true
8) Descriptive statistics are used to find out something about a population based on a sample.
⊚ true
⊚ false
Answer: false
9) There are four levels of measurement: qualitative, quantitative, discrete, and continuous.
⊚ true
⊚ false
Answer: false
10) The ordinal level of measurement is considered the "lowest" level of measurement.
⊚ true
⊚ false
Answer: false
11) A store asks shoppers for their zip codes to identify market areas. Zip codes are an example
of ratio data.
⊚ true
⊚ false
Answer: false
,12) An ordinal level of measurement implies some sort of ranking.
⊚ true
⊚ false
Answer: true
13) Data measured on a nominal scale can only be classified into categories.
⊚ true
⊚ false
Answer: true
14) The terms descriptive statistics and inferential statistics can be used interchangeably.
⊚ true
⊚ false
Answer: false
15) A marketing research agency was hired to test a new DVD player. Consumers rated it
outstanding, very good, fair, or poor. The level of measurement for this experiment is
ordinal.
⊚ true
⊚ false
Answer: true
16) The Union of Electrical Workers of America with 9,128 members polled 362 members about
a new wage package that will be submitted to management. The population is the 362
members.
⊚ true
⊚ false
Answer: false
, 17) The CIA World Factbook cited these numbers for the United States:
• The birthrate is 13.66 births per 1,000 of the population.
• The average life expectancy for females is 81.17 years.
• Approximately 316.7 million people reside in the United States.
Each of these numbers is referred to as a statistic.
⊚ true
⊚ false
Answer: true
18) If we select 100 people from 25,000 registered voters and question them about candidates
and issues, the 100 people are referred to as the population.
⊚ true
⊚ false
Answer: false
19) Statistics is defined as a body of techniques used to facilitate the collection, organization,
presentation, analysis, and interpretation of information for the purpose of making better
decisions.
⊚ true
⊚ false
Answer: true
20) Categorizing voters as Democrats, Republicans, and Independents is an example of interval
level measurement.
⊚ true
⊚ false
Answer: false
21) The order in which runners finish in a race would be an example of continuous data.
⊚ true
⊚ false
Answer: false
