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, X@ Chapter 1: Introduction to Statistics
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1. Determine whether the given value is a statistic or a parameter: The average (mean) weigh
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t of all newborns in a hospital over a month is 7.5 pounds.
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• A. Statistic
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• B. Paramete
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r 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 fo
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und that 60% were satisfied with their healthcare.
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• A. Statistic
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• B. Paramete
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r 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 from a cli
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nic Answer: B
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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 t
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his?
• A. Discrete
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• B. Continuous
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• C. Nominal
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, • D. OrdinaX@
l 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
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• B. Ordinal
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• C. Interval
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• D. Rati X@
o Answer: D
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Rationale: Height is measured on a ratio scale because it has a true zero and meaningful differenc
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es between values.
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6. Which type of data is temperature in Celsius?
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• A. Nominal
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• B. Ordinal
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• C. Interval
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o Answer: C
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Rationale: Temperature in Celsius is interval data because it has no true zero, but the differences betwe
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en values are meaningful.
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7. Determine whether the data is discrete or continuous: The number of babies born in a hospit
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al each day.
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• A. Discrete
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• B. Continuou
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s Answer: A
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Rationale: The number of babies born is discrete because it represents countable whole numbers.
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