MATH 225N Statistics Final EXAM (135 |\ |\ |\ |\ |\ |\
QUESTIONS WITH 100% CORRECT |\ |\ |\ |\
ANSWERS)- 2025 LATEST UPDATED |\ |\ |\
Statistics - CORRECT ANSWERS ✔✔is the science of collecting,
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organizing, analyzing, interpreting, and presenting data |\ |\ |\ |\ |\
refers to generalizing from a sample to a population, drawing
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conclusions, and making decisions refers to - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\
✔✔Inferential Statistics
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refers to summarizing data rather than generalizing about the
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population is - CORRECT ANSWERS ✔✔Descriptive Statistics|\ |\ |\ |\ |\ |\
True or False: A strong correlation between A and B would imply
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that B is caused by A - CORRECT ANSWERS ✔✔False
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True or False: The number of checks processed at a bank in a day
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is an example of categorical data - CORRECT ANSWERS ✔✔False
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True or False: The number of planes that land daily at an airport
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is an example of discrete data - CORRECT ANSWERS ✔✔True
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True or False: The weight of a bag of dog food is an example of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
discrete data - CORRECT ANSWERS ✔✔False |\ |\ |\ |\ |\
,True or False: It is easier to attempt a census of a large
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
population instead of relying on a sample - CORRECT ANSWERS
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✔✔False
True or False: Sampling error is completely avoidable by choosing
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the sample scientifically - CORRECT ANSWERS ✔✔False
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True or False: Cluster sampling is a type of stratified sampling
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that is based on geographical location - CORRECT ANSWERS
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✔✔True
Which of the following is numerical data? - CORRECT ANSWERS
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✔✔The fuel economy (MPG) of your car
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Numerical values calculated from a sample are called - CORRECT
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ANSWERS ✔✔statistics |\
True or False: The number of personal fouls by the Miami Heat in
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a game would be regarded as a continuous variable - CORRECT
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ANSWERS ✔✔False |\
Thirty work orders are selected from a filing cabinet containing
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500 work order folders by choosing every 15th folder. Which
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sampling method is this? - CORRECT ANSWERS ✔✔Systematic
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sampling
Which sampling method is being used by a journalism student
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who is casually surveying opinions of her friends about the
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, university's cafeteria food for an article that she is writing? -
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CORRECT ANSWERS ✔✔Non-random sampling|\ |\ |\
Net earnings reported by Xena Corp for the last 10 quarters is
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which type of variable? - CORRECT ANSWERS ✔✔A time-series
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variable
A multivariate data set must contain - CORRECT ANSWERS
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✔✔more than two variables |\ |\ |\
True or False: The following is an example of cross-sectional data:
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Scores of 50 students on a midterm accounting exam last
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semester. - CORRECT ANSWERS ✔✔True |\ |\ |\ |\
True or False: The following is an example of cross-sectional data:
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Bob's scores on weekly accounting quizzes last semester. -
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CORRECT ANSWERS ✔✔False |\ |\
True or False: The following is an example of time-series data:
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Mexico's GDP for the last 10 quarters. - CORRECT ANSWERS
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✔✔True
Which type of data is the following variable: number of
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employees in the Walmart store in Boone, NC? - CORRECT
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ANSWERS ✔✔Ratio |\
QUESTIONS WITH 100% CORRECT |\ |\ |\ |\
ANSWERS)- 2025 LATEST UPDATED |\ |\ |\
Statistics - CORRECT ANSWERS ✔✔is the science of collecting,
|\ |\ |\ |\ |\ |\ |\ |\ |\
organizing, analyzing, interpreting, and presenting data |\ |\ |\ |\ |\
refers to generalizing from a sample to a population, drawing
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
conclusions, and making decisions refers to - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\
✔✔Inferential Statistics
|\ |\
refers to summarizing data rather than generalizing about the
|\ |\ |\ |\ |\ |\ |\ |\ |\
population is - CORRECT ANSWERS ✔✔Descriptive Statistics|\ |\ |\ |\ |\ |\
True or False: A strong correlation between A and B would imply
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
that B is caused by A - CORRECT ANSWERS ✔✔False
|\ |\ |\ |\ |\ |\ |\ |\ |\
True or False: The number of checks processed at a bank in a day
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
is an example of categorical data - CORRECT ANSWERS ✔✔False
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
True or False: The number of planes that land daily at an airport
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
is an example of discrete data - CORRECT ANSWERS ✔✔True
|\ |\ |\ |\ |\ |\ |\ |\ |\
True or False: The weight of a bag of dog food is an example of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
discrete data - CORRECT ANSWERS ✔✔False |\ |\ |\ |\ |\
,True or False: It is easier to attempt a census of a large
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
population instead of relying on a sample - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔False
True or False: Sampling error is completely avoidable by choosing
|\ |\ |\ |\ |\ |\ |\ |\ |\
the sample scientifically - CORRECT ANSWERS ✔✔False
|\ |\ |\ |\ |\ |\ |\
True or False: Cluster sampling is a type of stratified sampling
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
that is based on geographical location - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔True
Which of the following is numerical data? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔The fuel economy (MPG) of your car
|\ |\ |\ |\ |\ |\
Numerical values calculated from a sample are called - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔statistics |\
True or False: The number of personal fouls by the Miami Heat in
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
a game would be regarded as a continuous variable - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔False |\
Thirty work orders are selected from a filing cabinet containing
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
500 work order folders by choosing every 15th folder. Which
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
sampling method is this? - CORRECT ANSWERS ✔✔Systematic
|\ |\ |\ |\ |\ |\ |\ |\
sampling
Which sampling method is being used by a journalism student
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
who is casually surveying opinions of her friends about the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
, university's cafeteria food for an article that she is writing? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Non-random sampling|\ |\ |\
Net earnings reported by Xena Corp for the last 10 quarters is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
which type of variable? - CORRECT ANSWERS ✔✔A time-series
|\ |\ |\ |\ |\ |\ |\ |\ |\
variable
A multivariate data set must contain - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔more than two variables |\ |\ |\
True or False: The following is an example of cross-sectional data:
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Scores of 50 students on a midterm accounting exam last
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
semester. - CORRECT ANSWERS ✔✔True |\ |\ |\ |\
True or False: The following is an example of cross-sectional data:
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Bob's scores on weekly accounting quizzes last semester. -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔False |\ |\
True or False: The following is an example of time-series data:
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Mexico's GDP for the last 10 quarters. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔True
Which type of data is the following variable: number of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
employees in the Walmart store in Boone, NC? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Ratio |\
