MATH 225N Statistics Final EXAM –
Chamberlain College of Nursing MATH
225N Statistics Final EXAM| 2026
Questions and Answers Graded A+
Statistics - Correct 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 - Correct answer-Inferential Statistics
refers to summarizing data rather than generalizing about the population is -
Correct answer-Descriptive Statistics
True or False: A strong correlation between A and B would imply that B is caused
by A - Correct answer-False
True or False: The number of checks processed at a bank in a day is an example of
categorical data - Correct answer-False
,True or False: The number of planes that land daily at an airport is an example of
discrete data - Correct answer-True
True or False: The weight of a bag of dog food is an example of discrete data -
Correct answer-False
True or False: It is easier to attempt a census of a large population instead of
relying on a sample - Correct answer-False
True or False: Sampling error is completely avoidable by choosing the sample
scientifically - Correct answer-False
True or False: Cluster sampling is a type of stratified sampling that is based on
geographical location - Correct answer-True
Which of the following is numerical data? - Correct answer-The fuel economy
(MPG) of your car
Numerical values calculated from a sample are called - Correct answer-statistics
True or False: The number of personal fouls by the Miami Heat in a game would
be regarded as a continuous variable - Correct 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? - Correct
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? - Correct answer-Non-random sampling
Net earnings reported by Xena Corp for the last 10 quarters is which type of
variable? - Correct answer-A time-series variable
A multivariate data set must contain - Correct 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. - Correct
answer-True
True or False: The following is an example of cross-sectional data:
Bob's scores on weekly accounting quizzes last semester. - Correct answer-False
True or False: The following is an example of time-series data:
Mexico's GDP for the last 10 quarters. - Correct answer-True
Which type of data is the following variable: number of employees in the Walmart
store in Boone, NC? - Correct answer-Ratio
Which type of data is the following variable: temperature (in Fahrenheit) in the ice-
cream freezer at a Walmart store? - Correct answer-Interval
Chamberlain College of Nursing MATH
225N Statistics Final EXAM| 2026
Questions and Answers Graded A+
Statistics - Correct 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 - Correct answer-Inferential Statistics
refers to summarizing data rather than generalizing about the population is -
Correct answer-Descriptive Statistics
True or False: A strong correlation between A and B would imply that B is caused
by A - Correct answer-False
True or False: The number of checks processed at a bank in a day is an example of
categorical data - Correct answer-False
,True or False: The number of planes that land daily at an airport is an example of
discrete data - Correct answer-True
True or False: The weight of a bag of dog food is an example of discrete data -
Correct answer-False
True or False: It is easier to attempt a census of a large population instead of
relying on a sample - Correct answer-False
True or False: Sampling error is completely avoidable by choosing the sample
scientifically - Correct answer-False
True or False: Cluster sampling is a type of stratified sampling that is based on
geographical location - Correct answer-True
Which of the following is numerical data? - Correct answer-The fuel economy
(MPG) of your car
Numerical values calculated from a sample are called - Correct answer-statistics
True or False: The number of personal fouls by the Miami Heat in a game would
be regarded as a continuous variable - Correct 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? - Correct
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? - Correct answer-Non-random sampling
Net earnings reported by Xena Corp for the last 10 quarters is which type of
variable? - Correct answer-A time-series variable
A multivariate data set must contain - Correct 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. - Correct
answer-True
True or False: The following is an example of cross-sectional data:
Bob's scores on weekly accounting quizzes last semester. - Correct answer-False
True or False: The following is an example of time-series data:
Mexico's GDP for the last 10 quarters. - Correct answer-True
Which type of data is the following variable: number of employees in the Walmart
store in Boone, NC? - Correct answer-Ratio
Which type of data is the following variable: temperature (in Fahrenheit) in the ice-
cream freezer at a Walmart store? - Correct answer-Interval
