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, Chapter 1: Introduction to Statistics ap ap ap ap
1. Determine whether the given value is a statistic or a parameter: The average (mean) weight of all
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newborns in a hospital over a month is 7.5 pounds.
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• A. Statistic
ap
• B. Parameter
ap a
p Answer: B ap
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
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60% were satisfied with their healthcare.
ap ap ap ap ap
• A. Statistic
ap
• B. Parameter
ap a
p Answer: A ap
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 from a clinic
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Answer: B ap
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. Discreteap
• B. Continuous
ap
• C. Nominal ap
Page | 2 ap ap
,• D. Ordinal
ap a
p Answer: A ap
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
ap
• B. Ordinal
ap
• C. Interval
ap
• D. Ratio
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p Answer: D ap
Rationale: Height is measured on a ratio scale because it has a true zero and meaningful differences betw
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een values.
ap
6. Which type of data is temperature in Celsius?
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• A. Nominal
ap
• B. Ordinal
ap
• C. Interval
ap
• D. Ratio
ap a
p Answer: C ap
Rationale: Temperature in Celsius is interval data because it has no true zero, but the differences between valu
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es are meaningful.
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7. Determine whether the data is discrete or continuous: The number of babies born in a hospital each
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day.
• A. Discrete
ap
• B. Continuous
ap a
p Answer: A ap
Rationale: The number of babies born is discrete because it represents countable whole numbers.
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Page | 3 ap ap
, 8. Determine whether the data is discrete or continuous: The weight of each newborn in a hospital.
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• A. Discrete
ap
• B. Continuous
ap a
p Answer: B ap
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
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is this?
ap
• A. Nominal
ap
• B. Ordinal
ap
• C. Interval
ap
• D. Ratio
ap a
p Answer: D ap
Rationale: The number of days is ratio data because it has a true zero and meaningful differences between valu
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es.
10. A researcher categorizes patients by blood type. What level of measurement is this?
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• A. Nominal
ap
• B. Ordinal
ap
• C. Interval
ap
• D. Ratio
ap a
p Answer: A ap
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. Nominal
ap
• B. Ordinal
ap
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ap ap
, Chapter 1: Introduction to Statistics ap ap ap ap
1. Determine whether the given value is a statistic or a parameter: The average (mean) weight of all
ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap
newborns in a hospital over a month is 7.5 pounds.
ap ap ap ap ap ap ap ap ap
• A. Statistic
ap
• B. Parameter
ap a
p Answer: B ap
Rationale: Since it refers to the entire population of newborns in the hospital, it is a parameter.
ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap
2. Determine whether the given value is a statistic or a parameter: A survey of 100 patients found that
ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap
60% were satisfied with their healthcare.
ap ap ap ap ap
• A. Statistic
ap
• B. Parameter
ap a
p Answer: A ap
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 from a clinic
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Answer: B ap
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. Discreteap
• B. Continuous
ap
• C. Nominal ap
Page | 2 ap ap
,• D. Ordinal
ap a
p Answer: A ap
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
ap
• B. Ordinal
ap
• C. Interval
ap
• D. Ratio
ap a
p Answer: D ap
Rationale: Height is measured on a ratio scale because it has a true zero and meaningful differences betw
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een values.
ap
6. Which type of data is temperature in Celsius?
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• A. Nominal
ap
• B. Ordinal
ap
• C. Interval
ap
• D. Ratio
ap a
p Answer: C ap
Rationale: Temperature in Celsius is interval data because it has no true zero, but the differences between valu
ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap
es are meaningful.
ap ap
7. Determine whether the data is discrete or continuous: The number of babies born in a hospital each
ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap
day.
• A. Discrete
ap
• B. Continuous
ap a
p Answer: A ap
Rationale: The number of babies born is discrete because it represents countable whole numbers.
ap ap ap ap ap ap ap ap ap ap ap ap ap
Page | 3 ap ap
, 8. Determine whether the data is discrete or continuous: The weight of each newborn in a hospital.
ap ap ap ap ap ap ap ap ap ap ap ap ap ap ap
• A. Discrete
ap
• B. Continuous
ap a
p Answer: B ap
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
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is this?
ap
• A. Nominal
ap
• B. Ordinal
ap
• C. Interval
ap
• D. Ratio
ap a
p Answer: D ap
Rationale: The number of days is ratio data because it has a true zero and meaningful differences between valu
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es.
10. A researcher categorizes patients by blood type. What level of measurement is this?
ap ap ap ap ap ap ap ap ap ap ap ap
• A. Nominal
ap
• B. Ordinal
ap
• C. Interval
ap
• D. Ratio
ap a
p Answer: A ap
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. Nominal
ap
• B. Ordinal
ap
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