Fundamental Mathematical
Structures
◍ Statistics. Answer: 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. 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
◍ True or False: The following is an example of cross-sectional data:
Scores of 50 students on a midterm accounting exam last semester..
Answer: True
◍ True or False: The following is an example of cross-sectional data:
Bob's scores on weekly accounting quizzes last semester.. Answer: False
◍ True or False: The following is an example of time-series data:
Mexico's GDP for the last 10 quarters.. Answer: True
◍ Which type of data is the following variable: number of employees in
the Walmart store in Boone, NC?. Answer: Ratio
◍ Which type of data is the following variable: temperature (in
Fahrenheit) in the ice-cream freezer at a Walmart store?. Answer:
Interval
Structures
◍ Statistics. Answer: 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. 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
◍ True or False: The following is an example of cross-sectional data:
Scores of 50 students on a midterm accounting exam last semester..
Answer: True
◍ True or False: The following is an example of cross-sectional data:
Bob's scores on weekly accounting quizzes last semester.. Answer: False
◍ True or False: The following is an example of time-series data:
Mexico's GDP for the last 10 quarters.. Answer: True
◍ Which type of data is the following variable: number of employees in
the Walmart store in Boone, NC?. Answer: Ratio
◍ Which type of data is the following variable: temperature (in
Fahrenheit) in the ice-cream freezer at a Walmart store?. Answer:
Interval
