Refer to exhibit 2 3 the cumulative frequency for the

80. Refer to Exhibit 2-3. The cumulative frequency for the class of 11  15
a. is 200
b. is 14
c. is 199
d. is 1
ANS: C PTS: 1
Exhibit 2-4
A survey of 400 college seniors resulted in the following crosstabulation regarding their undergraduate
major and whether or not they plan to go to graduate school.
Undergraduate Major
Graduate School Business Engineering Others Total
Yes 35 42 63 140
No 91 104 65 260
Total 126 146 128 400
81. Refer to Exhibit 2-4. What percentage of the students does not plan to go to graduate school?
PTS: 1
82. Refer to Exhibit 2-4. What percentage of the students' undergraduate major is engineering?
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PTS: 1
83. Refer to Exhibit 2-4. Of those students who are majoring in business, what percentage plans to go to
graduate school?
PTS: 1
84. Refer to Exhibit 2-4. Among the students who plan to go to graduate school, what percentage indicated
"Other" majors?
a. 15.75
b. 45
c. 54
d. 35
ANS: B PTS: 1
PROBLEM
1. Thirty students in the School of Business were asked what their majors were. The following represents
their responses (M  Management; A  Accounting; E  Economics; O  Others).
A M M A M M E M O A
E E M A O E M A M A
M A O A M E E M A M
a. Construct a frequency distribution and a bar chart.
b. Construct a relative frequency distribution and a pie chart.
ANS:
a. and b.
Major Frequency Relative Frequency
M 12 0.4
A 9 0.3
E 6 0.2
O 3 0.1
Total 30 1.0
PTS: 1
2. Twenty employees of ABC Corporation were asked if they liked or disliked the new district manager.
Below are their responses. Let L represent liked and D represent disliked.
L L D L D
D D L L D
D L D D L
D D D D L

a. Construct a frequency distribution and a bar chart.
b. Construct a relative frequency distribution and a pie chart.
ANS:
a. and b.
Preferences Frequency Relative Frequency
L 8 0.4
D 12 0.6
Total 20 1.0
PTS: 1
3. A student has completed 20 courses in the School of Arts and Sciences. Her grades in the 20 courses
are shown below.
A B A B C
C C B B B
B A B B B
C B C B A
a. Develop a frequency distribution and a bar chart for her grades.
b. Develop a relative frequency distribution for her grades and construct a pie chart.
PTS: 1
4. A sample of 50 TV viewers were asked, "Should TV sponsors pull their sponsorship from programs
that draw numerous viewer complaints?" Below are the results of the survey. (Y  Yes; N  No; W
Without Opinion)
N W N N Y N N N Y N
N Y N N N N N Y N N
Y N Y W N Y W W N Y
W W N W Y W N W Y W
N Y N Y N W Y Y N Y
a. Construct a frequency distribution and a bar chart.
b. Construct a relative frequency distribution and a pie chart.

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Response Frequency Relative Frequency
No 24 0.48
Yes 15 0.30
Without Opinion 11 0.22
Total 50 1.00
PTS: 1