MATH 225N STATISTICS FINAL EXAM – CHAMBERLAIN
COLLEGE OF NURSING FINAL EXAM| COMPLETE
VERIFIED EXAM QUESTIONS WITH 100% RATED CORRECT
ANSWERS | 2025-2026 LATEST UPDATE | GET IT A+
Statistics
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
Inferential Statistics
refers to summarizing data rather than generalizing about the population.
Descriptive Statistics
True or False: A strong correlation between A and B would imply that B is caused
by A
False
True or False: The number of checks processed at a bank in a day is an example of
categorical data.
False
True or False: The number of planes that land daily at an airport is an example of
discrete data.
True
True or False: The weight of a bag of dog food is an example of discrete data.
False
True or False: It is easier to attempt a census of a large population instead of
relying on a sample.
False
True or False: Sampling error is completely avoidable by choosing the sample
scientifically.
1
,False
True or False: Cluster sampling is a type of stratified sampling that is based on
geographical location
True
Which of the following is numerical data?
The fuel economy (MPG) of your car
Numerical values calculated from a sample are called
statistics
True or False: The number of personal fouls by the Miami Heat in a game would be
regarded as a continuous variable.
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?
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?
Non-random sampling
Net earnings reported by Xena Corp for the last 10 quarters are which type of
variable?
A time-series variable
A multivariate data set must contain
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.
True
True or False: The following is an example of cross-sectional data:
Bob's scores on weekly accounting quizzes last semester.
False
2
, True or False: The following is an example of time-series data:
Mexico's GDP for the last 10 quarters.
True
Which type of data is the following variable: number of employees in the Walmart
store in Boone, NC?
Ratio
Which type of data is the following variable: temperature (in Fahrenheit) in the
ice-cream freezer at a Walmart store?
Interval
Which type of data is the following variable: name of the cashier at register 3 in a
Walmart store?
Nominal
Which type of data is the following variable: manager's rating (i.e., 1 = good, 2 =
excellent, etc.) of the cashier at register 3 in a Walmart store?
Ordinal
True or False: Say, the target population is all stocks in the S&P 500 index. The
following is an example of a parameter: the average price/earnings ratio for all
500 stocks in the S&P index.
True
True or False: Say, the target population is all stocks in the S&P 500 index. The
following is an example of a parameter: the proportion of all stocks in the S&P 500
index that had negative earnings last year.
True
True or False: Say, the target population is all stocks in the S&P 500 index. The
following is an example of a parameter: the proportion of energy-related stocks in
a random sample of 50 stocks.
False
True or False: Say, the target population is all stocks in the S&P 500 index. The
following is an example of a parameter: the average rate of return for 20 stocks
recommended by a broker.
False
3
COLLEGE OF NURSING FINAL EXAM| COMPLETE
VERIFIED EXAM QUESTIONS WITH 100% RATED CORRECT
ANSWERS | 2025-2026 LATEST UPDATE | GET IT A+
Statistics
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
Inferential Statistics
refers to summarizing data rather than generalizing about the population.
Descriptive Statistics
True or False: A strong correlation between A and B would imply that B is caused
by A
False
True or False: The number of checks processed at a bank in a day is an example of
categorical data.
False
True or False: The number of planes that land daily at an airport is an example of
discrete data.
True
True or False: The weight of a bag of dog food is an example of discrete data.
False
True or False: It is easier to attempt a census of a large population instead of
relying on a sample.
False
True or False: Sampling error is completely avoidable by choosing the sample
scientifically.
1
,False
True or False: Cluster sampling is a type of stratified sampling that is based on
geographical location
True
Which of the following is numerical data?
The fuel economy (MPG) of your car
Numerical values calculated from a sample are called
statistics
True or False: The number of personal fouls by the Miami Heat in a game would be
regarded as a continuous variable.
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?
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?
Non-random sampling
Net earnings reported by Xena Corp for the last 10 quarters are which type of
variable?
A time-series variable
A multivariate data set must contain
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.
True
True or False: The following is an example of cross-sectional data:
Bob's scores on weekly accounting quizzes last semester.
False
2
, True or False: The following is an example of time-series data:
Mexico's GDP for the last 10 quarters.
True
Which type of data is the following variable: number of employees in the Walmart
store in Boone, NC?
Ratio
Which type of data is the following variable: temperature (in Fahrenheit) in the
ice-cream freezer at a Walmart store?
Interval
Which type of data is the following variable: name of the cashier at register 3 in a
Walmart store?
Nominal
Which type of data is the following variable: manager's rating (i.e., 1 = good, 2 =
excellent, etc.) of the cashier at register 3 in a Walmart store?
Ordinal
True or False: Say, the target population is all stocks in the S&P 500 index. The
following is an example of a parameter: the average price/earnings ratio for all
500 stocks in the S&P index.
True
True or False: Say, the target population is all stocks in the S&P 500 index. The
following is an example of a parameter: the proportion of all stocks in the S&P 500
index that had negative earnings last year.
True
True or False: Say, the target population is all stocks in the S&P 500 index. The
following is an example of a parameter: the proportion of energy-related stocks in
a random sample of 50 stocks.
False
True or False: Say, the target population is all stocks in the S&P 500 index. The
following is an example of a parameter: the average rate of return for 20 stocks
recommended by a broker.
False
3
