Unformatted text preview: e cost of PCs that had been
purchased in the past six months. A random sample of the price of 10 computers was taken
with the following results; $3,250, $1,127, $2,995, $3,250, $3,445, $3,449, $1,482, $6,120,
$3,009, $4,000
What is the IQR?
A. 1455
B. 970
C. 2910
D. 4993
E. 6204 1139 Chapter 01  An Introduction to Business Statistics 94. The company financial officer was interested in the average cost of PCs that had been
purchased in the past six months. A random sample of the price of 10 computers was taken
with the following results; $3,250, $1,127, $2,995, $3,250, $3,445, $3,449, $1,482, $6,120,
$3,009, $4,000
What are the inner fences?
A. 1455, 2910
B. 4072, 5042
C. 5527, 6497
D. 1162, 5042
E. 293, 6497 95. The company financial officer was interested in the average cost of PCs that had been
purchased in the past six months. A random sample of the price of 10 computers was taken
with the following results; $3,250, $1,127, $2,995, $3,250, $3,445, $3,449, $1,482, $6,120,
$3,009, $4,000
What are the outer fences?
A. 1455, 2910
B. 4072, 5042
C. 5527, 6497
D. 1162, 5042
E. 293, 6497 96. The local amusement park was interested in the average wait time at their most popular
roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line
between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The
times recorded were as follows (in minutes) 118, 124, 108, 116, 99, 120, 148, 118, 119, 121,
45, 130, 118
What is the 90th percentile?
A. 100.8
B. 119.8
C. 128.8
D. 112
E. 122.5 1140 Chapter 01  An Introduction to Business Statistics 97. The local amusement park was interested in the average wait time at their most popular
roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line
between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The
times recorded were as follows (in minutes) 118, 124, 108, 116, 99, 120, 148, 118, 119, 121,
45, 130, 118
What is the third quartile?
A. 100.8
B. 119.8
C. 128.8
D. 112
E. 122.5 98. The local amusement park was interested in the average wait time at their most popular
roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line
between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The
times recorded were as follows (in minutes) 118, 124, 108, 116, 99, 120, 148, 118, 119, 121,
45, 130, 118
What is the first quartile?
A. 100.8
B. 119.8
C. 128.8
D. 112
E. 122.5 99. The local amusement park was interested in the average wait time at their most popular
roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line
between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The
times recorded were as follows (in minutes) 118, 124, 108, 116, 99, 120, 148, 118, 119, 121,
45, 130, 118
What is the 10th percentile?
A. 100.8
B. 119.8
C. 128.8
D. 112
E. 122.5 1141 Chapter 01  An Introduction to Business Statistics 100. The local amusement park was interested in the average wait time at their most popular
roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line
between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The
times recorded were as follows (in minutes) 118, 124, 108, 116, 99, 120, 148, 118, 119, 121,
45, 130, 118
What is the 65th percentile?
A. 100.8
B. 119.8
C. 128.8
D. 112
E. 122.5 101. The local amusement park was interested in the average wait time at their most popular
roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line
between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The
times recorded were as follows (in minutes) 118, 124, 108, 116, 99, 120, 148, 118, 119, 121,
45, 130, 118
What is the IQR?
A. 21.00
B. 10.50
C. 15.75
D. 31.50
E. 11.50 102. The local amusement park was interested in the average wait time at their most popular
roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line
between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The
times recorded were as follows (in minutes) 118, 124, 108, 116, 99, 120, 148, 118, 119, 121,
45, 130, 118
What are the inner fences?
A. 96.25, 138.25
B. 80.5, 154.00
C. 127.75, 138.25
D. 143.50, 154.00
E. 15.75, 31.50 1142 Chapter 01  An Introduction to Business Statistics 103. The local amusement park was interested in the average wait time at their most popular
roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line
between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The
times recorded were as follows (in minutes) 118, 124, 108, 116, 99, 120, 148, 118, 119, 121,
45, 130, 118. What are the outer fences?
A. 96.25, 138.25
B. 80.5, 154.00
C. 127.75, 138.25
D. 143.50, 154.00
E. 15.75, 31.50 104. Quality control is an importan...
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