Test Bank For Biostatistics for the Biological and Health Sciences 2nd Edition Author(s) Marc M. Triola[ 2024 UPDATE
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Biostatistics for the Biological and Health Sciences
Real-world applications connect statistical concepts to everyday life.
Biostatistics for the Biological and Health Sciences uses a variety of real-world applications to bring statistical theories and methods to life. Through these examples and a friendly writing style, the 2nd Edition ensures th...
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Test Bank For Biostatistics for the Biological and Health
Sciences 2nd Edition
Author(s)
Marc M. Triola; Mario F. Triola; Jason Roy
@2024
,Chapter 1: Introduction to Statistics
1. Determine whether the given value is a statistic or a parameter: The average (mean)
weight of all newborns in a hospital over a month is 7.5 pounds.
• A. Statistic
• B. Parameter
Answer: B
Rationale: Since it refers to the entire population of newborns in the hospital, it is a
parameter.
2. Determine whether the given value is a statistic or a parameter: A survey of 100 patients
found that 60% were satisfied with their healthcare.
• A. Statistic
• B. Parameter
Answer: A
Rationale: The value is based on a sample, making it a statistic.
3. Which of the following represents a population?
• A. A sample of 200 patients from a hospital
• B. All patients admitted to a hospital in 2023
• C. A group of patients selected for a study
• D. 50 diabetic patients from a clinic
Answer: B
Rationale: A population includes all members of a group, while a sample is a
subset of the population.
4. A nurse records the number of times each patient visits the clinic in a month. What type
of data is this?
• A. Discrete
• B. Continuous
• C. Nominal
• D. Ordinal
Answer: A
Rationale: The number of visits is discrete data because it represents countable
whole numbers.
,5. A researcher measures the height of patients in a clinic. What level of measurement is
height?
• A. Nominal
• B. Ordinal
• C. Interval
• D. Ratio
Answer: D
Rationale: Height is measured on a ratio scale because it has a true zero and
meaningful differences between values.
6. Which type of data is temperature in Celsius?
• A. Nominal
• B. Ordinal
• C. Interval
• D. Ratio
Answer: C
Rationale: Temperature in Celsius is interval data because it has no true zero, but
the differences between values are meaningful.
7. Determine whether the data is discrete or continuous: The number of babies born in a
hospital each day.
• A. Discrete
• B. Continuous
Answer: A
Rationale: The number of babies born is discrete because it represents countable
whole numbers.
8. Determine whether the data is discrete or continuous: The weight of each newborn in a
hospital.
• A. Discrete
• B. Continuous
Answer: B
Rationale: Weight is continuous data because it can take any value within a range.
, 9. A nurse collects data on the number of days patients spend in the hospital. What level of
measurement is this?
• A. Nominal
• B. Ordinal
• C. Interval
• D. Ratio
Answer: D
Rationale: The number of days is ratio data because it has a true zero and
meaningful differences between values.
10. A researcher categorizes patients by blood type. What level of measurement is this?
• A. Nominal
• B. Ordinal
• C. Interval
• D. Ratio
Answer: A
Rationale: Blood type is nominal data because it represents categories without a
meaningful order.
11. In a study, the ages of participants are recorded. What type of variable is age?
• A. Nominal
• B. Ordinal
• C. Interval
• D. Ratio
Answer: D
Rationale: Age is ratio data because it has a true zero point and meaningful
differences between values.
12. Determine the type of sampling used: A hospital administrator selects every 5th patient
from a list of discharged patients.
• A. Simple random sampling
• B. Systematic sampling
• C. Stratified sampling
• D. Cluster sampling
Answer: B
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