Test Bank –
Biostatistics for the Biological and Health Sciences, 2nd
Edition By Triola Chapter 1-14 ||Complete A+ Guide
,Chapter 1: Introduction to Statistics
1. Deter ine whether the given value is a statistic or a para eter: The average ( ean) weight of all
newborns in a hospital over a onth is 7.5 pounds.
• A. Statistic
• B. Para eter
Answer: B
Rationale: Since it refers to the entire population of newborns in the hospital, it is a para eter.
2. Deter ine whether the given value is a statistic or a para eter: A survey of 100 patients found that
60% were satisfied with their healthcare.
• A. Statistic
• B. Para eter
Answer: A
Rationale: The value is based on a sa ple, aking it a statistic.
3. Which of the following represents a population?
• A. A sa ple of 200 patients fro a hospital
• B. All patients ad itted to a hospital in 2023
• C. A group of patients selected for a study
• D. 50 diabetic patients fro a clinic
Answer: B
Rationale: A population includes all e bers of a group, while a sa ple is a subset of the population.
4. A nurse records the nu ber of ti es each patient visits the clinic in a onth. What type of data is this?
• A. Discrete
• B. Continuous
• C. No inal
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,• D. Ordinal
Answer: A
Rationale: The nu ber of visits is discrete data because it represents countable whole nu bers.
5. A researcher easures the height of patients in a clinic. What level of easure ent is height?
• A. No inal
• B. Ordinal
• C. Interval
• D. Ratio
Answer: D
Rationale: Height is easured on a ratio scale because it has a true zero and eaningful differences
between values.
6. Which type of data is te perature in Celsius?
• A. No inal
• B. Ordinal
• C. Interval
• D. Ratio
Answer: C
Rationale: Te perature in Celsius is interval data because it has no true zero, but the differences between
values are eaningful.
7. Deter ine whether the data is discrete or continuous: The nu ber of babies born in a hospital each
day.
• A. Discrete
• B. Continuous
Answer: A
Rationale: The nu ber of babies born is discrete because it represents countable whole nu bers.
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, 8. Deter ine 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 nu ber of days patients spend in the hospital. What level of easure ent
is this?
• A. No inal
• B. Ordinal
• C. Interval
• D. Ratio
Answer: D
Rationale: The nu ber of days is ratio data because it has a true zero and eaningful differences between
values.
10. A researcher categorizes patients by blood type. What level of easure ent is this?
• A. No inal
• B. Ordinal
• C. Interval
• D. Ratio
Answer: A
Rationale: Blood type is no inal data because it represents categories without a eaningful order.
11. In a study, the ages of participants are recorded. What type of variable is age?
• A. No inal
• B. Ordinal
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