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