Page | 1
x% x%
, Chapter 1: Introduction to Statistics x% x% x% x%
1. Determine whether the given value is a statistic or a parameter: The average (mean) weight of all
x% x% x% x% x% x% x% vj x% x% x% x% x% x% x% x% x
n ewborns in a hospital over a month is 7.5 pounds.
% x% x% x% vj x% x% x% x% x% x%
• A. Statistic
x%
• B. Parameter
x% x
% Answer: B x%
Rationale: Since it refers to the entire population of newborns in the hospital, it is a parameter.
x% x% x% x% vj x% x% x% x% x% x% x% x% vj x% vj
2. Determine whether the given value is a statistic or a parameter: A survey of 100 patients found that
x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x
6 0% were satisfied with their healthcare.
% x% x% x% vj x% x%
• A. Statistic
x%
• B. Parameter
x% x
% Answer: A x%
Rationale: The value is based on a sample, making it a statistic.
x% x% x% x% vj x% x% x% x% x% x%
3. Which of the following represents a population?
vj x% x% x% x% x%
• A. A sample of 200 patients from a hospital
x% x% x% x% x% x% x% vj
• B. All patients admitted to a hospital in 2023
x% x% x% x% x% vj x% x%
• C. A group of patients selected for a study
x% x% x% x% x% x% x% x%
• D. 50 diabetic patients from a clinic
x% x% x% x% x% vj vj
x % Answer: B x%
Rationale: A population includes all members of a group, while a sample is a subset of the population.
x% x% x% x% x% x% x% vj x% x% vj x% x% x% vj x% x%
4. A nurse records the number of times each patient visits the clinic in a month. What type of data is this?
x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% vj x% x% x% x%
• A. Discrete
x%
• B. Continuous
x%
• C. Nominal
x%
Page | 2 x% x%
,• D. Ordinal
x%
x% Answer: A x%
Rationale: The number of visits is discrete data because it represents countable whole numbers.
x% x% x% x% x% x% x% x% x% x% x% x% x%
5. A researcher measures the height of patients in a clinic. What level of measurement is height?
x% x% x% x% x% x% vj x% x% x% x% x% x% x% x%
• A. Nominal
x%
• B. Ordinal
x%
• C. Interval
x%
• D. Ratio
x% v
x % Answer: D x%
Rationale: Height is measured on a ratio scale because it has a true zero and meaningful differences betw
x% vj x% x% x% x% x% x% vj x% x% x% x% x% x% x% x%
ee n values.
x% x%
6. Which type of data is temperature in Celsius?
vj x% x% vj vj x% x%
• A. Nominal
x%
• B. Ordinal
x%
• C. Interval
x%
• D. Ratio
x% v
x % Answer: C x%
Rationale: Temperature in Celsius is interval data because it has no true zero, but the differences between val
x% x% x% x% vj x% vj x% x% vj x% x% x% x% x% x% x%
ues are meaningful.
x% x%
7. Determine whether the data is discrete or continuous: The number of babies born in a hospital each
x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x
d ay.
% x%
• A. Discrete
x%
• B. Continuous
x% x
% Answer: A x%
Rationale: The number of babies born is discrete because it represents countable whole numbers.
x% x% x% x% x% x% x% x% x% x% x% x% x%
Page | 3 x% x%
, 8. Determine whether the data is discrete or continuous: The weight of each newborn in a hospital.
x% x% x% vj x% x% x% x% x% x% x% x% x% x% x%
• A. Discrete
x%
• B. Continuous
x% x
%Answer: B x%
Rationale: Weight is continuous data because it can take any value within a range.
x% vj x% x% x% x% x% x% x% x% x% x% x%
9. A nurse collects data on the number of days patients spend in the hospital. What level of measurement
x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x%
is this?
x%
• A. Nominal
x%
• B. Ordinal
x%
• C. Interval
x%
• D. Ratio x% v
x % Answer: D x%
Rationale: The number of days is ratio data because it has a true zero and meaningful differences between values
x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x%
.
10. A researcher categorizes patients by blood type. What level of measurement is this?
x% x% x% vj x% x% x% vj x% x% x% x%
• A. Nominal
x%
• B. Ordinal
x%
• C. Interval
x%
• D. Ratio x% v
x % Answer: A x%
Rationale: Blood type is nominal data because it represents categories without a meaningful order.
x% x% x% x% x% x% x% x% x% x% x% x% x%
11. In a study, the ages of participants are recorded. What type of variable is age?
x% x% x% x% x% x% x% x% x% x% x% x% x% x%
• A. Nominal
x%
• B. Ordinal
x%
Page | 4
x% x%
x% x%
, Chapter 1: Introduction to Statistics x% x% x% x%
1. Determine whether the given value is a statistic or a parameter: The average (mean) weight of all
x% x% x% x% x% x% x% vj x% x% x% x% x% x% x% x% x
n ewborns in a hospital over a month is 7.5 pounds.
% x% x% x% vj x% x% x% x% x% x%
• A. Statistic
x%
• B. Parameter
x% x
% Answer: B x%
Rationale: Since it refers to the entire population of newborns in the hospital, it is a parameter.
x% x% x% x% vj x% x% x% x% x% x% x% x% vj x% vj
2. Determine whether the given value is a statistic or a parameter: A survey of 100 patients found that
x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x
6 0% were satisfied with their healthcare.
% x% x% x% vj x% x%
• A. Statistic
x%
• B. Parameter
x% x
% Answer: A x%
Rationale: The value is based on a sample, making it a statistic.
x% x% x% x% vj x% x% x% x% x% x%
3. Which of the following represents a population?
vj x% x% x% x% x%
• A. A sample of 200 patients from a hospital
x% x% x% x% x% x% x% vj
• B. All patients admitted to a hospital in 2023
x% x% x% x% x% vj x% x%
• C. A group of patients selected for a study
x% x% x% x% x% x% x% x%
• D. 50 diabetic patients from a clinic
x% x% x% x% x% vj vj
x % Answer: B x%
Rationale: A population includes all members of a group, while a sample is a subset of the population.
x% x% x% x% x% x% x% vj x% x% vj x% x% x% vj x% x%
4. A nurse records the number of times each patient visits the clinic in a month. What type of data is this?
x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% vj x% x% x% x%
• A. Discrete
x%
• B. Continuous
x%
• C. Nominal
x%
Page | 2 x% x%
,• D. Ordinal
x%
x% Answer: A x%
Rationale: The number of visits is discrete data because it represents countable whole numbers.
x% x% x% x% x% x% x% x% x% x% x% x% x%
5. A researcher measures the height of patients in a clinic. What level of measurement is height?
x% x% x% x% x% x% vj x% x% x% x% x% x% x% x%
• A. Nominal
x%
• B. Ordinal
x%
• C. Interval
x%
• D. Ratio
x% v
x % Answer: D x%
Rationale: Height is measured on a ratio scale because it has a true zero and meaningful differences betw
x% vj x% x% x% x% x% x% vj x% x% x% x% x% x% x% x%
ee n values.
x% x%
6. Which type of data is temperature in Celsius?
vj x% x% vj vj x% x%
• A. Nominal
x%
• B. Ordinal
x%
• C. Interval
x%
• D. Ratio
x% v
x % Answer: C x%
Rationale: Temperature in Celsius is interval data because it has no true zero, but the differences between val
x% x% x% x% vj x% vj x% x% vj x% x% x% x% x% x% x%
ues are meaningful.
x% x%
7. Determine whether the data is discrete or continuous: The number of babies born in a hospital each
x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x
d ay.
% x%
• A. Discrete
x%
• B. Continuous
x% x
% Answer: A x%
Rationale: The number of babies born is discrete because it represents countable whole numbers.
x% x% x% x% x% x% x% x% x% x% x% x% x%
Page | 3 x% x%
, 8. Determine whether the data is discrete or continuous: The weight of each newborn in a hospital.
x% x% x% vj x% x% x% x% x% x% x% x% x% x% x%
• A. Discrete
x%
• B. Continuous
x% x
%Answer: B x%
Rationale: Weight is continuous data because it can take any value within a range.
x% vj x% x% x% x% x% x% x% x% x% x% x%
9. A nurse collects data on the number of days patients spend in the hospital. What level of measurement
x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x%
is this?
x%
• A. Nominal
x%
• B. Ordinal
x%
• C. Interval
x%
• D. Ratio x% v
x % Answer: D x%
Rationale: The number of days is ratio data because it has a true zero and meaningful differences between values
x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x% x%
.
10. A researcher categorizes patients by blood type. What level of measurement is this?
x% x% x% vj x% x% x% vj x% x% x% x%
• A. Nominal
x%
• B. Ordinal
x%
• C. Interval
x%
• D. Ratio x% v
x % Answer: A x%
Rationale: Blood type is nominal data because it represents categories without a meaningful order.
x% x% x% x% x% x% x% x% x% x% x% x% x%
11. In a study, the ages of participants are recorded. What type of variable is age?
x% x% x% x% x% x% x% x% x% x% x% x% x% x%
• A. Nominal
x%
• B. Ordinal
x%
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x% x%
