Chapter 1 The Where, Why, and How of Data Collection
1) Statistics is a discipline that involves tools and techniques used to describe data and draw
conclusions.
Answer: TRUE
Diff: 1
Keywords: descriptive statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
2) In this course, the term business statistics refers to the set of tools and techniques that are used
to convert information into meaningful data.
Answer: FALSE
Diff: 1
Keywords: descriptive statistics and/or inferential statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
3) Descriptive statistics allow a decision maker to reach a conclusion about a population based
on a subset from the population.
Answer: FALSE
Diff: 2
Keywords: descriptive statistics and/or inferential statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
,4) An accountant has recently prepared a report for a client that contains a variety of graphs and
charts. In doing so, she has used descriptive statistical methods.
Answer: TRUE
Diff: 1
Keywords: descriptive statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
5) Descriptive statistical tools include graphs, charts, and numerical measures.
Answer: TRUE
Diff: 1
Keywords: descriptive statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
6) A histogram is an example of a numerical measure.
Answer: FALSE
Diff: 1
Keywords: descriptive statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
7) Companies frequently use charts and graphs in their regular communications with
stockholders and investors; this shows the use of descriptive statistics.
Answer: TRUE
Diff: 1
,Keywords: descriptive statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
8) A manufacturing manager has developed a table that shows the average production volume
each day for the past three weeks. The average production level is an example of a numerical
measure.
Answer: TRUE
Diff: 1
Keywords: descriptive statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
9) An accountant who recently examined 200 accounts from a company's total of 4,000 accounts
in an effort to estimate the percentage of all accounts that have incorrect journal entries is using
descriptive statistical analysis to reach the conclusion.
Answer: FALSE
Diff: 2
Keywords: descriptive statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
10) The editor of a local newspaper is interested in determining the percentage of subscribers
who read the paper's editorials. The statistical technique that he would use is called estimation.
Answer: TRUE
Diff: 2
Keywords: descriptive statistics
, Section: 1-1 What Is Business Statistics?
Outcome: none
11) Hypothesis testing and estimation are two statistical tools that are used to draw inferences
about a large data set based on a subset of the data.
Answer: TRUE
Diff: 1
Keywords: inferential statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
12) Another term for the arithmetic average is the mean.
Answer: TRUE
Diff: 1
Keywords: descriptive statistics, mean
Section: 1-1 What Is Business Statistics?
Outcome: none
13) Statistical inference would be used as the primary statistical tool by a quality control manager
who wishes to estimate the average weight of her company's products.
Answer: TRUE
Diff: 2
Keywords: inferential statistics
Section: 1-1 What Is Business Statistics?
Outcome: none
14) A light bulb manufacturer wants to advertise the average life of its light bulbs so it tests a