oo oo oo oo oo oo oo
Health Sciences 2nd Edition by Marc Triola, Mario
oo oo oo oo oo oo oo oo
Triola & Jason Roy oo oo oo oo
All Chapters Included 1-14| Expert Approved Q&As with
oo oo oo oo oo oo oo
Rationales for Exam Preparations| A+ GRADE
oo oo oo oo oo oo
GUARANTEED oo
Page | 1
oo oo
, Chapter 1: Introduction to Statistics oo oo oo oo
1. Determine whether the given value is a statistic or a parameter: The average (mean) weight
oo oo oo oo oo oo oo oo oo oo oo oo oo oo
of all newborns in a hospital over a month is 7.5 pounds.
oo oo oo oo oo oo oo oo oo oo oo oo
• A. Statistic
oo
• B. Parameter
oo
oo Answer: B oo
Rationale: Since it refers to the entire population of newborns in the hospital, it is a parameter.
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
2. Determine whether the given value is a statistic or a parameter: A survey of 100 patients
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
found that 60% were satisfied with their healthcare.
oo oo oo oo oo oo oo oo
• A. Statistic
oo
• B. Parameter
oo
oo Answer: A oo
Rationale: The value is based on a sample, making it a statistic.
oo oo oo oo oo oo oo oo oo oo oo
3. Which of the following represents a population?
oo oo oo oo oo oo
• A. A sample of 200 patients from a hospital
oo oo oo oo oo oo oo oo
• B. All patients admitted to a hospital in 2023
oo oo oo oo oo oo oo oo
• C. A group of patients selected for a study
oo oo oo oo oo oo oo oo
• D. 50 diabetic patients from a
oo oo oo oo oo
clinic Answer: B
oo oo oo
Rationale: A population includes all members of a group, while a sample is a subset of the population.
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
4. A nurse records the number of times each patient visits the clinic in a month. What type of data is
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
this?
oo
• A. Discrete
oo
• B. Continuous
oo
• C. Nominal
oo
Page | 2
oo oo
,• D. Ordinal
oo
oo Answer: A
oo
Rationale: The number of visits is discrete data because it represents countable whole numbers.
oo oo oo oo oo oo oo oo oo oo oo oo oo
5. A researcher measures the height of patients in a clinic. What level of measurement is height?
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
• A. Nominal
oo
• B. Ordinal
oo
• C. Interval
oo
• D. Ratio
oo
oo Answer: D
oo
Rationale: Height is measured on a ratio scale because it has a true zero and meaningful
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
differences between values.
oo oo oo
6. Which type of data is temperature in Celsius?
oo oo oo oo oo oo oo
• A. Nominal
oo
• B. Ordinal
oo
• C. Interval
oo
• D. Ratio
oo
oo Answer: C
oo
Rationale: Temperature in Celsius is interval data because it has no true zero, but the differences
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
between values are meaningful.
oo oo oo oo
7. Determine whether the data is discrete or continuous: The number of babies born in a
oo oo oo oo oo oo oo oo oo oo oo oo oo oo
hospital each day.
oo oo oo
• A. Discrete
oo
• B. Continuous
oo
oo Answer: A
oo
Rationale: The number of babies born is discrete because it represents countable whole numbers.
oo oo oo oo oo oo oo oo oo oo oo oo oo
Page | 3
oo oo
, 8. Determine whether the data is discrete or continuous: The weight of each newborn in a hospital.
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
• A. Discrete
oo
• B. Continuous
oo
oo Answer: B oo
Rationale: Weight is continuous data because it can take any value within a range.
oo oo oo oo oo oo oo oo oo oo oo oo oo
9. A nurse collects data on the number of days patients spend in the hospital. What level of
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
measurement is this?
oo oo oo
• A. Nominaloo
• B. Ordinaloo
• C. Interval
oo
• D. Ratio oo
oo Answer: D oo
Rationale: The number of days is ratio data because it has a true zero and meaningful differences
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
between values.
oo oo
10. A researcher categorizes patients by blood type. What level of measurement is this?
oo oo oo oo oo oo oo oo oo oo oo oo
• A. Nominaloo
• B. Ordinaloo
• C. Interval
oo
• D. Ratio oo
oo Answer: A oo
Rationale: Blood type is nominal data because it represents categories without a meaningful order.
oo oo oo oo oo oo oo oo oo oo oo oo oo
11. In a study, the ages of participants are recorded. What type of variable is age?
oo oo oo oo oo oo oo oo oo oo oo oo oo oo
• A. Nominaloo
• B. Ordinaloo
Page | 4 oo oo