MATH 225N WEEK 5 DISCUSSION THE
NORMAL DISTRIBUTION 2026 ACTUAL TEST
PAPER QUESTIONS SOLUTIONS VERIFIED
COMPLETE STUDY PACKAGE
◉ refers to generalizing from a sample to a population, drawing
conclusions, and making decisions refers to.
Answer: Inferential Statistics
◉ refers to summarizing data rather than generalizing about the
population is.
Answer: Descriptive Statistics
◉ True or False: A strong correlation between A and B would imply
that B is caused by A.
Answer: False
◉ True or False: The number of checks processed at a bank in a day
is an example of categorical data.
Answer: False
,◉ True or False: The number of planes that land daily at an airport is
an example of discrete data.
Answer: True
◉ True or False: The weight of a bag of dog food is an example of
discrete data.
Answer: False
◉ True or False: It is easier to attempt a census of a large population
instead of relying on a sample.
Answer: False
◉ True or False: Sampling error is completely avoidable by choosing
the sample scientifically.
Answer: False
◉ True or False: Cluster sampling is a type of stratified sampling
that is based on geographical location.
Answer: True
◉ Which of the following is numerical data?.
Answer: The fuel economy (MPG) of your car
, ◉ Numerical values calculated from a sample are called.
Answer: statistics
◉ True or False: The number of personal fouls by the Miami Heat in
a game would be regarded as a continuous variable.
Answer: 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?.
Answer: 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?.
Answer: Non-random sampling
◉ Net earnings reported by Xena Corp for the last 10 quarters is
which type of variable?.
Answer: A time-series variable
◉ A multivariate data set must contain.
Answer: more than two variables
NORMAL DISTRIBUTION 2026 ACTUAL TEST
PAPER QUESTIONS SOLUTIONS VERIFIED
COMPLETE STUDY PACKAGE
◉ refers to generalizing from a sample to a population, drawing
conclusions, and making decisions refers to.
Answer: Inferential Statistics
◉ refers to summarizing data rather than generalizing about the
population is.
Answer: Descriptive Statistics
◉ True or False: A strong correlation between A and B would imply
that B is caused by A.
Answer: False
◉ True or False: The number of checks processed at a bank in a day
is an example of categorical data.
Answer: False
,◉ True or False: The number of planes that land daily at an airport is
an example of discrete data.
Answer: True
◉ True or False: The weight of a bag of dog food is an example of
discrete data.
Answer: False
◉ True or False: It is easier to attempt a census of a large population
instead of relying on a sample.
Answer: False
◉ True or False: Sampling error is completely avoidable by choosing
the sample scientifically.
Answer: False
◉ True or False: Cluster sampling is a type of stratified sampling
that is based on geographical location.
Answer: True
◉ Which of the following is numerical data?.
Answer: The fuel economy (MPG) of your car
, ◉ Numerical values calculated from a sample are called.
Answer: statistics
◉ True or False: The number of personal fouls by the Miami Heat in
a game would be regarded as a continuous variable.
Answer: 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?.
Answer: 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?.
Answer: Non-random sampling
◉ Net earnings reported by Xena Corp for the last 10 quarters is
which type of variable?.
Answer: A time-series variable
◉ A multivariate data set must contain.
Answer: more than two variables
