Page|1
, Chapter 1: Introduction to Statistics i@ i@ i@ i@
1. Determine whetherthegiven value is astatistic or a parameter:The average(mean)weight ofall n e
i@ pf pf i@ i@ i@ pf pf i@ i@ pf
w borns in a hospital over a month is 7.5 pounds.
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• A. Statistic
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• B. Parameter
pf
i@ Answer: B i@
Rationale: Since it refersto the entirepopulation of newborns in the hospital, it is a parameter.
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2. Determine whetherthe given valueis a statistic or a parameter: Asurveyof 100patients foundthat 6 0
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% were satisfied with their healthcare.
i@ i@ i@ pf i@
• A. Statistic
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• B. Parameter
pf
i@ Answer: A i@
Rationale: The valueis based on a sample, making it a statistic.
i@ i@ pf vj i@ pf pf pf i@ i@
3. Which of the following represents apopulation?
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• A. A sample of 200 patients froma hospital
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• B. All patients admittedto a hospital in 2023
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• C. A group of patients selectedfora study
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• D.50diabeticpatients from a clinic pf pf vj vji
@ Answer: B i@
Rationale: A population includes all members of a group, while a sample is a subset of the population.
i@ pf pf i@ i@ i@ i@ vj i@ i@ i@ i@ i@ pf i@ i@ i@
4. Anurse recordsthenumber of times each patient visits the clinic in a month. What type of data is this?
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• A. Discrete
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• B. Continuous
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• C. Nominal
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,• D.Ordinal i
@ Answer: A i@
Rationale:The number of visits is discrete data because it represents countable whole numbers.
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5. Aresearcher 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
i@
• D.Ratio i
@Answer: D i@
Rationale:Height ismeasured ona ratio scale because it hasa truezero and meaningful differences betwee n v al
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ues.
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
i@
• D.Ratio i
@Answer: C i@
Rationale: Temperature in Celsius is interval data because it has no true zero, but the differences between valu
i@ i@ pf pf i@ i@ i@ i@ pf i@ i@ pf i@ i@ i@ i@ i@
es a re meaningful.
pf i@ i@
7. Determinewhether thedata is discrete or continuous:Thenumber of babies born in ahospital each d ay.
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• A. Discrete
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• B. Continuous
pf
i@ Answer: A i@
Rationale:The number of babies born is discrete because it represents countable whole numbers.
i@ i@ i@ pf i@ pf i@ pf i@ pf pf i@
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, 8. Determine whether thedata is discrete or continuous: The weight of each newborn ina hospital.
pf i@ i@ pf i@ i@ i@ i@ pf i@ pf pf pf
• A. Discrete
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• B. Continuous
pf
i@ Answer: B i@
Rationale: Weight is continuous data because it can take any value within a range.
i@ vj i@ i@ pf pf i@ i@ pf i@ i@ pf pf
9. A nurse collects data on thenumber of days patients spendin the hospital. What level of measurement is this
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?
• A. Nominal
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• B. Ordinal
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• C. Interval
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• D.Ratio i
Answer: D
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Rationale: The number of days is ratio data because it has a true zero and meaningful differences between values
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.
10. Aresearcher categorizes patients byblood type. What level of measurement is this?
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• A. Nominal
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• B. Ordinal
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• C. Interval
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• D.Ratio i
Answer: A
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Rationale: Blood type is nominal data because it representscategories without a meaningful order.
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11. In a study, theages of participants are recorded. Whattype of variable is age?
pf pf i@ pf i@ pf i@ i@ i@ i@ i@ i@
• A. Nominal
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• B. Ordinal
i@
Page|4
, Chapter 1: Introduction to Statistics i@ i@ i@ i@
1. Determine whetherthegiven value is astatistic or a parameter:The average(mean)weight ofall n e
i@ pf pf i@ i@ i@ pf pf i@ i@ pf
w borns in a hospital over a month is 7.5 pounds.
i@ i@ i@ i@ i@ i@ i@ i@ i@ i@
• A. Statistic
i@
• B. Parameter
pf
i@ Answer: B i@
Rationale: Since it refersto the entirepopulation of newborns in the hospital, it is a parameter.
i@ pf i@ i@ i@ pf i@ pf i@ i@ i@ i@ i@ vj
2. Determine whetherthe given valueis a statistic or a parameter: Asurveyof 100patients foundthat 6 0
i@ pf i@ pf pf i@ i@ pf i@ i@ i@ i@ i@
% were satisfied with their healthcare.
i@ i@ i@ pf i@
• A. Statistic
i@
• B. Parameter
pf
i@ Answer: A i@
Rationale: The valueis based on a sample, making it a statistic.
i@ i@ pf vj i@ pf pf pf i@ i@
3. Which of the following represents apopulation?
i@ i@ i@ pf i@
• A. A sample of 200 patients froma hospital
i@ i@ pf i@ pf i@ i@
• B. All patients admittedto a hospital in 2023
i@ i@ i@ i@ vj i@ pf
• C. A group of patients selectedfora study
i@ i@ i@ i@ i@ i@
• D.50diabeticpatients from a clinic pf pf vj vji
@ Answer: B i@
Rationale: A population includes all members of a group, while a sample is a subset of the population.
i@ pf pf i@ i@ i@ i@ vj i@ i@ i@ i@ i@ pf i@ i@ i@
4. Anurse recordsthenumber of times each patient visits the clinic in a month. What type of data is this?
i@ i@ i@ pf i@ i@ pf i@ i@ pf i@ i@ vj i@ i@ i@ i@
• A. Discrete
i@
• B. Continuous
i@
• C. Nominal
i@
Page|2
,• D.Ordinal i
@ Answer: A i@
Rationale:The number of visits is discrete data because it represents countable whole numbers.
i@ i@ i@ pf i@ i@ pf i@ pf i@ i@ i@
5. Aresearcher measures the height of patients in a clinic. What level of measurement is height?
i@ pf pf i@ i@ vj i@ pf i@ pf i@ i@ pf i@
• A. Nominal
i@
• B. Ordinal
i@
• C. Interval
i@
• D.Ratio i
@Answer: D i@
Rationale:Height ismeasured ona ratio scale because it hasa truezero and meaningful differences betwee n v al
i@ i@ pf pf i@ i@ pf pf pf pf i@ pf i@ i@ i@
ues.
6. Which type of data is temperature in Celsius?
i@ i@ i@ vj vj i@ i@
• A. Nominal
i@
• B. Ordinal
i@
• C. Interval
i@
• D.Ratio i
@Answer: C i@
Rationale: Temperature in Celsius is interval data because it has no true zero, but the differences between valu
i@ i@ pf pf i@ i@ i@ i@ pf i@ i@ pf i@ i@ i@ i@ i@
es a re meaningful.
pf i@ i@
7. Determinewhether thedata is discrete or continuous:Thenumber of babies born in ahospital each d ay.
i@ pf i@ i@ i@ i@ i@ i@ pf i@ pf pf pf
• A. Discrete
i@
• B. Continuous
pf
i@ Answer: A i@
Rationale:The number of babies born is discrete because it represents countable whole numbers.
i@ i@ i@ pf i@ pf i@ pf i@ pf pf i@
Page|3
, 8. Determine whether thedata is discrete or continuous: The weight of each newborn ina hospital.
pf i@ i@ pf i@ i@ i@ i@ pf i@ pf pf pf
• A. Discrete
i@
• B. Continuous
pf
i@ Answer: B i@
Rationale: Weight is continuous data because it can take any value within a range.
i@ vj i@ i@ pf pf i@ i@ pf i@ i@ pf pf
9. A nurse collects data on thenumber of days patients spendin the hospital. What level of measurement is this
i@ i@ pf i@ i@ i@ i@ i@ pf i@ i@ i@ pf i@ i@ pf i@
?
• A. Nominal
i@
• B. Ordinal
i@
• C. Interval
i@
• D.Ratio i
Answer: D
@ i@
Rationale: The number of days is ratio data because it has a true zero and meaningful differences between values
i@ i@ i@ i@ i@ i@ pf pf i@ i@ pf pf i@ pf i@ i@ i@ i@
.
10. Aresearcher categorizes patients byblood type. What level of measurement is this?
i@ i@ i@ i@ i@ i@ i@ i@ i@ i@
• A. Nominal
i@
• B. Ordinal
i@
• C. Interval
i@
• D.Ratio i
Answer: A
@ i@
Rationale: Blood type is nominal data because it representscategories without a meaningful order.
i@ pf i@ i@ i@ pf i@ i@ i@ i@ pf i@
11. In a study, theages of participants are recorded. Whattype of variable is age?
pf pf i@ pf i@ pf i@ i@ i@ i@ i@ i@
• A. Nominal
i@
• B. Ordinal
i@
Page|4