STAT 1000 Final Exam Review: 200 Multiple
Choice Questions & Verified Answers | A+
Study Guide 2024/2025
,1. Which of the following is a discrete quantitative variable?
A) Height
B) Number of siblings
C) Weight
D) Time to complete a race
Answer: B
Rationale: Number of siblings is counted and takes whole-number
values, so it is discrete quantitative. Height, weight, and time are
continuous quantitative variables.
2. Eye color is measured on which scale?
A) Nominal
B) Ordinal
C) Interval
D) Ratio
Answer: A
Rationale: Eye color is categorical with no natural order, so it is
nominal.
3. A satisfaction rating of excellent, good, fair, poor is measured on
which scale?
A) Nominal
B) Ordinal
, C) Interval
D) Ratio
Answer: B
Rationale: The categories have a meaningful order, so the scale is
ordinal.
4. The average age of all students at a university is called a:
A) Statistic
B) Parameter
C) Sample
D) Variable
Answer: B
Rationale: A parameter is a numerical summary of a population. A
statistic summarizes a sample.
5. A radio station asks listeners to call in and vote on a topic. This is
an example of:
A) Simple random sampling
B) Stratified sampling
C) Voluntary response sampling
D) Cluster sampling
Answer: C
, Rationale: Voluntary response sampling allows people to choose
themselves, which often produces biased results.
6. A simple random sample is one in which:
A) Every group of size n has an equal chance of being selected
B) Only volunteers are selected
C) The population is divided into strata
D) Every 10th person is selected
Answer: A
Rationale: In a simple random sample, every possible sample of
the desired size has an equal chance of selection.
7. Dividing a population into homogeneous groups and randomly
sampling from each group is called:
A) Stratified sampling
B) Cluster sampling
C) Systematic sampling
D) Convenience sampling
Answer: A
Rationale: Stratified sampling divides the population into strata
and samples within each stratum.
8. Randomly selecting several classrooms and then sampling every
student in those classrooms is called:
Choice Questions & Verified Answers | A+
Study Guide 2024/2025
,1. Which of the following is a discrete quantitative variable?
A) Height
B) Number of siblings
C) Weight
D) Time to complete a race
Answer: B
Rationale: Number of siblings is counted and takes whole-number
values, so it is discrete quantitative. Height, weight, and time are
continuous quantitative variables.
2. Eye color is measured on which scale?
A) Nominal
B) Ordinal
C) Interval
D) Ratio
Answer: A
Rationale: Eye color is categorical with no natural order, so it is
nominal.
3. A satisfaction rating of excellent, good, fair, poor is measured on
which scale?
A) Nominal
B) Ordinal
, C) Interval
D) Ratio
Answer: B
Rationale: The categories have a meaningful order, so the scale is
ordinal.
4. The average age of all students at a university is called a:
A) Statistic
B) Parameter
C) Sample
D) Variable
Answer: B
Rationale: A parameter is a numerical summary of a population. A
statistic summarizes a sample.
5. A radio station asks listeners to call in and vote on a topic. This is
an example of:
A) Simple random sampling
B) Stratified sampling
C) Voluntary response sampling
D) Cluster sampling
Answer: C
, Rationale: Voluntary response sampling allows people to choose
themselves, which often produces biased results.
6. A simple random sample is one in which:
A) Every group of size n has an equal chance of being selected
B) Only volunteers are selected
C) The population is divided into strata
D) Every 10th person is selected
Answer: A
Rationale: In a simple random sample, every possible sample of
the desired size has an equal chance of selection.
7. Dividing a population into homogeneous groups and randomly
sampling from each group is called:
A) Stratified sampling
B) Cluster sampling
C) Systematic sampling
D) Convenience sampling
Answer: A
Rationale: Stratified sampling divides the population into strata
and samples within each stratum.
8. Randomly selecting several classrooms and then sampling every
student in those classrooms is called:
