BUAL 2600 EXAM 2 QUESTIONS AND ANSWERS 2026
In a statistics class, the following 10 scores were randomly selected: 74, 73, 77, 77, 71,
68, 65, 77, 67, 66.What is the median?
Multiple Choice
71.0
72.0
71.5
77.0
73.0 - Answers - 72.0
The mode is the measurement in a sample or population that - Answers - occurs most
frequently
In a hearing test, randomly selected subjects estimate the loudness (in decibels) of a
sound, and the results are (mean = 70): 68, 67, 70, 71, 68, 75, 68, 62, 80, 73, 68.What
is the range?
Multiple Choice
18
4.73
6.76
22.40
324 - Answers - 18
If the mean, median, and mode for a given population are all equal and the relative
frequency curve has matching tails to the right and left, then we would describe the
shape of the distribution of the population as ________.
Multiple Choice
skewed to the left
skewed to the right
bimodal
symmetrical - Answers - Symmetrical
In a statistics class, 10 scores were randomly selected with the following results (mean
= 71.5): 74, 73, 77, 77, 71, 68, 65, 77, 67, 66.What is the standard deviation? (practice
using Excel with commands given in class)
Multiple Choice
4.77
12.00
, 22.72
144.00
516.20 - Answers - 4.77
All of the following are measures of central tendency except the ________.
Multiple Choice
range
median
mean
mode - Answers - Range
The median is the value... - Answers - below which and above approximately 50 percent
of the measurements lie
A(n) ________ is a graphical presentation of the current status and historical trends of a
business's key performance indicators.
Multiple Choice
Pareto chart
frequency distribution
dashboard
histogram - Answers - dashboard
In a statistics class, the following 10 scores were randomly selected: 74, 73, 77, 77, 71,
68, 65, 77, 67, 66.What is the mean?
Multiple Choice
71.0
72.0
77.0
73.0
71.5 - Answers - 71.5
In a statistics class, 10 scores were randomly selected with the following results (mean
= 71.5): 74, 73, 77, 77, 71, 68, 65, 77, 67, 66.What is the range?
Multiple Choice
22.72
516.20
4.77
144.00
12.00 - Answers - 12.00
In a statistics class, the following 10 scores were randomly selected: 74, 73, 77, 77, 71,
68, 65, 77, 67, 66.What is the median?
Multiple Choice
71.0
72.0
71.5
77.0
73.0 - Answers - 72.0
The mode is the measurement in a sample or population that - Answers - occurs most
frequently
In a hearing test, randomly selected subjects estimate the loudness (in decibels) of a
sound, and the results are (mean = 70): 68, 67, 70, 71, 68, 75, 68, 62, 80, 73, 68.What
is the range?
Multiple Choice
18
4.73
6.76
22.40
324 - Answers - 18
If the mean, median, and mode for a given population are all equal and the relative
frequency curve has matching tails to the right and left, then we would describe the
shape of the distribution of the population as ________.
Multiple Choice
skewed to the left
skewed to the right
bimodal
symmetrical - Answers - Symmetrical
In a statistics class, 10 scores were randomly selected with the following results (mean
= 71.5): 74, 73, 77, 77, 71, 68, 65, 77, 67, 66.What is the standard deviation? (practice
using Excel with commands given in class)
Multiple Choice
4.77
12.00
, 22.72
144.00
516.20 - Answers - 4.77
All of the following are measures of central tendency except the ________.
Multiple Choice
range
median
mean
mode - Answers - Range
The median is the value... - Answers - below which and above approximately 50 percent
of the measurements lie
A(n) ________ is a graphical presentation of the current status and historical trends of a
business's key performance indicators.
Multiple Choice
Pareto chart
frequency distribution
dashboard
histogram - Answers - dashboard
In a statistics class, the following 10 scores were randomly selected: 74, 73, 77, 77, 71,
68, 65, 77, 67, 66.What is the mean?
Multiple Choice
71.0
72.0
77.0
73.0
71.5 - Answers - 71.5
In a statistics class, 10 scores were randomly selected with the following results (mean
= 71.5): 74, 73, 77, 77, 71, 68, 65, 77, 67, 66.What is the range?
Multiple Choice
22.72
516.20
4.77
144.00
12.00 - Answers - 12.00
