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