Test Bank for Biostatistics for the Biological and Health
Sciences 3rd Edition by Triola
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Test Bank
, MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Use the frequency distribution below to answer the following question(s). A sample of 80 juvenile salmon is grouped into the
resulting frequency distribution based on their weights.
Weight (in grams) Frequency
100-149 15
150-199 10
200-249 30
250-299 25
1) The distribution of the histogram for the weights of the juvenile salmon appears .
A) Skewed left
B) Normal
C) Uniform
D) Skewed right
Answer: A
2) If a relative frequency distribution were constructed for the weights of the salmon, what would be the relative
frequency for the class weighing 150-199 grams?
A) 12.5%
B) 18.75%
T B E X A M . C O M
C) 31.25%
D) 37.5%
Answer: A
3) If a cumulative frequency distribution were constructed for the weights of the salmon, what would be the
cumulative frequency for the class weighinT
gB leE
ssX
thAM2.0C
an 0 gOr M
ams?
A) 80
B) 55
C) 25
D) 15
Answer: C
4) If a pie chart were constructed for the weights of the salmon, what would be the measure of the central angle for
the class weighing 200-249 grams?
A) 112.5°
B) 45°
C) 135°
D) 67.5°
Answer: C
5) Which choice displays the best graphic display of the amount of nitrous oxide (NO) explained by the amount of
carbon monoxide (CO) emissions in million metric tons over a ten year period in the United States? The data set is
below:
CO 5638 5708 5893 5807 5881 5939 6024 6032 5946 6022
NO 351 349 345 339 335 335 362 371 376 384
1
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, A) Nitrous Oxide (NO) and Carbon Monoxide (CO)
Emissions in the U.S. over Ten Years
B) Nitrous Oxide (NO) and Carbon Monoxide (CO)
Emissions in the U.S. over Ten Years
T B E X A M . C O M
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C) Nitrous Oxide (NO) and Carbon Monoxide (CO)
Emissions in the U.S. over Ten Years
2
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, D) Nitrous Oxide (NO) and Carbon Monoxide (CO)
Emissions in the U.S. over Ten Years
Answer: A
6) A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency
histogram for the systolic blood pressure readings for those people aged between 25 and 40 years. The blood
pressure readings were given to the nearest whole number. Approximately what percentage of the people aged
T B E X A M . C O M
25-40 had a systolic blood pressure reading between 110 and 119 mm Hg inclusive?
Systolic Blood Pressure for People Aged 25-40 Years
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A) 0.35%
B) 35%
C) 3.5%
D) 30%
Answer: B
3
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Sciences 3rd Edition by Triola
TBEXAM.COM
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rq
rq
rq
rq
rq
rq
rq
rq
Test Bank
, MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Use the frequency distribution below to answer the following question(s). A sample of 80 juvenile salmon is grouped into the
resulting frequency distribution based on their weights.
Weight (in grams) Frequency
100-149 15
150-199 10
200-249 30
250-299 25
1) The distribution of the histogram for the weights of the juvenile salmon appears .
A) Skewed left
B) Normal
C) Uniform
D) Skewed right
Answer: A
2) If a relative frequency distribution were constructed for the weights of the salmon, what would be the relative
frequency for the class weighing 150-199 grams?
A) 12.5%
B) 18.75%
T B E X A M . C O M
C) 31.25%
D) 37.5%
Answer: A
3) If a cumulative frequency distribution were constructed for the weights of the salmon, what would be the
cumulative frequency for the class weighinT
gB leE
ssX
thAM2.0C
an 0 gOr M
ams?
A) 80
B) 55
C) 25
D) 15
Answer: C
4) If a pie chart were constructed for the weights of the salmon, what would be the measure of the central angle for
the class weighing 200-249 grams?
A) 112.5°
B) 45°
C) 135°
D) 67.5°
Answer: C
5) Which choice displays the best graphic display of the amount of nitrous oxide (NO) explained by the amount of
carbon monoxide (CO) emissions in million metric tons over a ten year period in the United States? The data set is
below:
CO 5638 5708 5893 5807 5881 5939 6024 6032 5946 6022
NO 351 349 345 339 335 335 362 371 376 384
1
TBEXAM.COM - THE WORLD'S LARGEST TEST BANK AND SOLUTIONS DATABASE WITH UNBEATABLE RATES
, A) Nitrous Oxide (NO) and Carbon Monoxide (CO)
Emissions in the U.S. over Ten Years
B) Nitrous Oxide (NO) and Carbon Monoxide (CO)
Emissions in the U.S. over Ten Years
T B E X A M . C O M
TBEXAM. COM
C) Nitrous Oxide (NO) and Carbon Monoxide (CO)
Emissions in the U.S. over Ten Years
2
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, D) Nitrous Oxide (NO) and Carbon Monoxide (CO)
Emissions in the U.S. over Ten Years
Answer: A
6) A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency
histogram for the systolic blood pressure readings for those people aged between 25 and 40 years. The blood
pressure readings were given to the nearest whole number. Approximately what percentage of the people aged
T B E X A M . C O M
25-40 had a systolic blood pressure reading between 110 and 119 mm Hg inclusive?
Systolic Blood Pressure for People Aged 25-40 Years
T BEXAM.COM
A) 0.35%
B) 35%
C) 3.5%
D) 30%
Answer: B
3
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