ELEMENTARY STATISTICS USING EXCEL BY
MARIO F TRIOLA PRACTICE TEST 2026 FULL
SOLUTIONS REVIEW PACK
◉ For the given data , construct a frequency distribution and
frequency histogram of the data using five classes. Describe the
shape of the histogram as symmetric, uniform, skewed left, or
skewed right.
Data set: California Pick Three Lottery
8676091784
1575975399
8839889027
skewed right
symmetric
uniform
skewed left
Answer: Skewed Left
◉ Provide an appropriate response.
,Use the histogram below to approximate the mode heart rate of
adults in the gym.
a) 70
b) 2
c) 55
d) 42
Answer: 70
◉ Provide an appropriate response.
The top 14 speeds, in miles per hour, for Pro-Stock drag racing over
the past two decades are listed below. Find the median speed.
118.1 202.2 190.1 201.4 191.3 201.4 192.2 201.2 193.2 201.2 194.5
199.2 196.0 196.2
195.8
201.2
196.7
196.1
Answer: 196.1
,◉ Provide an appropriate response.
The scores of the top ten finishers in a recent golf tournament are
listed below. Find the median score.
67 67 68 71 72 72 72 72 73 76
Answer: 72
◉ Provide an appropriate response.
Grade points are assigned as follows: A = 4, B = 3, C = 2, D = 1, and F
= O. Grades are weighted according to credit hours. If a student
receives an A in a four-unit class, a D in a two-unit class, a B in a
three-unit class and a C in a three-unit class, what is the student's
grade point average?
Answer: 2.75
◉ Provide an appropriate response.
The lengths of phone calls from one household (in minutes) were 2,
4, 6, 7, and 8 minutes. Find the midrange for this data.
, 2 minutes
5 minutes
6 minutes
10 minutes
Answer: 5 min
◉ Provide an appropriate response.
Find the range of the data set represented by the graph.
6
20
5
17
Answer: 6
◉ Provide an appropriate response.
Find the sample standard deviation.
2 6 15 9 11 22 1 4 8 19
Answer: 7.1
MARIO F TRIOLA PRACTICE TEST 2026 FULL
SOLUTIONS REVIEW PACK
◉ For the given data , construct a frequency distribution and
frequency histogram of the data using five classes. Describe the
shape of the histogram as symmetric, uniform, skewed left, or
skewed right.
Data set: California Pick Three Lottery
8676091784
1575975399
8839889027
skewed right
symmetric
uniform
skewed left
Answer: Skewed Left
◉ Provide an appropriate response.
,Use the histogram below to approximate the mode heart rate of
adults in the gym.
a) 70
b) 2
c) 55
d) 42
Answer: 70
◉ Provide an appropriate response.
The top 14 speeds, in miles per hour, for Pro-Stock drag racing over
the past two decades are listed below. Find the median speed.
118.1 202.2 190.1 201.4 191.3 201.4 192.2 201.2 193.2 201.2 194.5
199.2 196.0 196.2
195.8
201.2
196.7
196.1
Answer: 196.1
,◉ Provide an appropriate response.
The scores of the top ten finishers in a recent golf tournament are
listed below. Find the median score.
67 67 68 71 72 72 72 72 73 76
Answer: 72
◉ Provide an appropriate response.
Grade points are assigned as follows: A = 4, B = 3, C = 2, D = 1, and F
= O. Grades are weighted according to credit hours. If a student
receives an A in a four-unit class, a D in a two-unit class, a B in a
three-unit class and a C in a three-unit class, what is the student's
grade point average?
Answer: 2.75
◉ Provide an appropriate response.
The lengths of phone calls from one household (in minutes) were 2,
4, 6, 7, and 8 minutes. Find the midrange for this data.
, 2 minutes
5 minutes
6 minutes
10 minutes
Answer: 5 min
◉ Provide an appropriate response.
Find the range of the data set represented by the graph.
6
20
5
17
Answer: 6
◉ Provide an appropriate response.
Find the sample standard deviation.
2 6 15 9 11 22 1 4 8 19
Answer: 7.1
