MGMT 1050 Lecture Notes - Customer Survey, Sports Equipment, Pie Chart

59 views12 pages
27 Jan 2013
Department
Course
Professor

For unlimited access to Class Notes, a Class+ subscription is required.

32 Presenting Data in Tables and Charts
CHAPTER 2: PRESENTING DATA IN TABLES AND
CHARTS
TABLE 2-1
An insurance company evaluates many numerical variables about a person before deciding on an
appropriate rate for automobile insurance. A representative from a local insurance agency selected a
random sample of insured drivers and recorded X, the number of claims each made in the last 3 years,
with the following results:
X f
1 14
2 18
3 12
4 5
5 1
1. Referring to Table 2-1, how many drivers are represented in the sample?
a) 5
b) 15
c) 18
d) 50
ANSWER:
d
TYPE: MC DIFFICULTY: Easy
KEYWORDS: frequency distribution
2. Referring to Table 2-1, how many total claims are represented in the sample?
a) 15
b) 50
c) 111
d) 250
ANSWER:
c
TYPE: MC DIFFICULTY: Moderate
KEYWORDS: interpretation, frequency distribution
Unlock document

This preview shows pages 1-3 of the document.
Unlock all 12 pages and 3 million more documents.

Already have an account? Log in
33 Presenting Data in Tables and Charts
3. A type of vertical bar chart in which the categories are plotted in the descending rank order of the
magnitude of their frequencies is called a
a) contingency table.
b) Pareto diagram.
c) dot plot.
d) pie chart.
ANSWER:
b
TYPE: MC DIFFICULTY: Easy
KEYWORDS: Pareto diagram
TABLE 2-2
At a meeting of information systems officers for regional offices of a national company, a survey was
taken to determine the number of employees the officers supervise in the operation of their departments,
where X is the number of employees overseen by each information systems officer.
X f_
1 7
2 5
3 11
4 8
5 9
4. Referring to Table 2-2, how many regional offices are represented in the survey results?
a) 5
b) 11
c) 15
d) 40
ANSWER:
d
TYPE: MC DIFFICULTY: Easy
KEYWORDS: interpretation, frequency distribution
5. Referring to Table 2-2, across all of the regional offices, how many total employees were
supervised by those surveyed?
a) 15
b) 40
c) 127
d) 200
ANSWER:
c
TYPE: MC DIFFICULTY: Moderate
KEYWORDS: interpretation, frequency distribution
Unlock document

This preview shows pages 1-3 of the document.
Unlock all 12 pages and 3 million more documents.

Already have an account? Log in
Presenting Data in Tables and Charts 34
6. The width of each bar in a histogram corresponds to the
a) differences between the boundaries of the class.
b) number of observations in each class.
c) midpoint of each class.
d) percentage of observations in each class.
ANSWER:
a
TYPE: MC DIFFICULTY: Easy
KEYWORDS: frequency distribution
TABLE 2-3
Every spring semester, the School of Business coordinates with local business leaders a luncheon for
graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of
the seniors, but students have to purchase tickets to cover the cost of lunches served to the guests they
bring with them. The following histogram represents the attendance at the senior luncheon, where X is
the number of guests each graduating senior invited to the luncheon, and f is the number of graduating
seniors in each category.
17
152
85
18
3
0
0
20
40
60
80
100
120
140
160
0 1 2 3 4 5
Guests per Student
Frequency
7. Referring to the histogram from Table 2-3, how many graduating seniors attended the luncheon?
a) 4
b) 152
c) 275
d) 388
ANSWER:
c
TYPE: MC DIFFICULTY: Difficult
EXPLANATION: The number of graduating seniors is the sum of all the frequencies, f.
KEYWORDS: interpretation, histogram
Unlock document

This preview shows pages 1-3 of the document.
Unlock all 12 pages and 3 million more documents.

Already have an account? Log in

Get access

Grade+
$10 USD/m
Billed $120 USD annually
Homework Help
Class Notes
Textbook Notes
40 Verified Answers
Study Guides
1 Booster Class
Class+
$8 USD/m
Billed $96 USD annually
Homework Help
Class Notes
Textbook Notes
30 Verified Answers
Study Guides
1 Booster Class