Test Bank For Statistical Techniques in Business and Economics 18th Edition by Douglas Lind. Isbn: 9781260239478.
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Course
Introduction to Statistics
Institution
Introduction To Statistics
Test Bank For Statistical Techniques in Business and Economics 18th Edition by Douglas Lind, William Marchal, Samuel Wathen.
Statistical Techniques in Business and Economics 18e test bank.
Douglas Lind 18e test bank for Statistical Techniques.
TEST BANK Statistical Techniques in Business and Economics 18/E Douglas Lind
TRUE/FALSE - Write 'T' if the statement is true and 'F' if the statement is false.
1) A population is a collection of all individuals, objects, or measurements of interest.
⊚ true
⊚ false
2) Statistics are used as a basis for making decisions.
⊚ true
⊚ false
3) A listing of 100 family annual incomes is an example of statistics.
⊚ true
⊚ false
4) The average number of passengers on commercial flights between Chicago and New
York City is an example of a statistic.
⊚ true
⊚ false
5) Statistics is used to report the summary results of market surveys.
⊚ true
⊚ false
6) A sample is a portion or part of the population of interest.
⊚ true
⊚ false
7) To infer something about a population, we usually take a sample from the population.
⊚ true
⊚ false
1
,8) Descriptive statistics are used to find out something about a population based on a
sample.
⊚ true
⊚ false
9) There are four levels of measurement: qualitative, quantitative, discrete, and continuous.
⊚ true
⊚ false
10) The ordinal level of measurement is considered the "lowest" level of measurement.
⊚ true
⊚ false
11) A store asks shoppers for their zip codes to identify market areas. Zip codes are an
example of ratio data.
⊚ true
⊚ false
12) An ordinal level of measurement implies some sort of ranking.
⊚ true
⊚ false
13) Data measured on a nominal scale can only be classified into categories.
⊚ true
⊚ false
14) The terms descriptive statistics and inferential statistics can be used interchangeably.
⊚ true
⊚ 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.
2
, ⊚ true
⊚ false
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
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 persons reside in the United States.
Each of these numbers is referred to as a statistic.
⊚ true
⊚ false
18) If we select 100 persons from 25,000 registered voters and question them about
candidates and issues, the 100 persons are referred to as the population.
⊚ true
⊚ 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
20) Categorizing voters as Democrats, Republicans, and Independents is an example of
interval level measurement.
⊚ true
⊚ false
3
, 21) The order in which runners finish in a race would be an example of continuous data.
⊚ true
⊚ false
22) Based on a sample of 3,000 people, the civilian unemployment rate in the United States
was 5.5%. The 5.5% is referred to as a statistic.
⊚ true
⊚ false
23) The principal difference between the interval and ratio scale is that the ratio scale has a
meaningful zero point.
⊚ true
⊚ false
24) The branch of mathematics used to facilitate the collection, organization, presentation,
analysis, and interpretation of numerical information is referred to as statistics.
⊚ true
⊚ false
25) The number of children in a family is a discrete variable.
⊚ true
⊚ false
MULTIPLE CHOICE - Choose the one alternative that best completes the statement or
answers the question.
26) The main purpose of descriptive statistics is to
A) summarize data in a useful and informative manner.
B) make inferences about a population.
C) determine if the data adequately represent the population.
D) gather or collect data.
27) Which of the following is an example of a continuous variable?
4
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