Test Bank For Biostatistics for the Biological and Health Sciences 3rd Edition All Chapters - 9780137863792

Test Bank For Biostatistics for the Biological and Health Sciences
3rd 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 any48value48within48a48range.

, G.48A48nurse48collects48data48on48the48number48of48days48patients48spend48in48the48hospital.48W
hat48level48of48measurement48is48this?

 A.48Nominal
 B.48Ordinal
 C.48Interval
 D.48Ratio
Answer:48D
Rationale:48The48number48of48days48is48ratio48data48because48it48has48a48true48zero48an
d48meaningful48differences48between48values.

10. A48researcher48categorizes48patients48by48blood48type.48What48level48of48measurement48is48this
?

 A.48Nominal
 B.48Ordinal
 C.48Interval
 D.48Ratio
Answer:48A
Rationale:48Blood48type48is48nominal48data48because48it48represents48categories48wit
hout48a48meaningful48order.

11. In48a48study,48the48ages48of48participants48are48recorded.48What48type48of48variable48is48age?

 A.48Nominal
 B.48Ordinal
 C.48Interval
 D.48Ratio
Answer:48D
Rationale:48Age48is48ratio48data48because48it48has48a48true48zero48point48and48meaningf
ul48differences48between48values.

12. Determine48the48type48of48sampling48used:48A48hospital48administrator48selects48every485th
48patient48from48a48list48of48discharged48patients.


 A.48Simple48random48sampling
 B.48Systematic48sampling
 C.48Stratified48sampling
 D.48Cluster48sampling
Answer:48B