Stats Exam 1 Pierson 100% ACCURATE
GRADE A+ GUARANTEED
A table or listing that shows values and how many times each value
occurs is:
Frequency distribution
What is the simplest, most fundamental level of measurement?
Nominal
6 Ways to Show Appreciation for Your Child's Teacher
Students are given grades of A, B, C, D, or F on their homework
assignments. The use of letter grades would be an example of what
level of measurement?
Ordinal
The scale of measurement that assumes there is an underlying scale of
equal units, but without an absolute zero point, is the ______ scale
of measurement.
interval
What reflects the interval or interval/ration level of measurement?
A students GPA
Determining a person's level of education by asking him/her to
indicate the number of school years completed would involve
measurement on a _________ level of measurement.
ratio and/or interval
A sample is?
a portion of a population
Researchers generally want to be able to generalize their results to
a _______, but to do so, they typically carry out their research on
the basis of a _______.
Population, sample
The marketing director of a company wants to conduct research on the
buying habits of the company's customer base. The entire group of
customers would be an example of a ________.
Population
The marketing director of a company examines data collected from 125
customers and determines that customers spent an average of $274.55
in purchases from the company over the past 12 months. The collection
or group of 125 customers would represent a:
sample
The average IQ score for the entire population of students enrolled
at a local community college would be an example of a __________.
, parameter
A researcher wants to know how many emails senior citizens send to
friends each week. If it were possible to find the average for the
entire population of senior citizens, it would be an example of a
_______.
parameter
A researcher records the GPA at the end of the semester for each
student in a sample of 50 freshman students. The average of the 50
GPA scores would be a:
statistic
The term used to describe all possible cases is:
population
Statistics that are used to summarize data are referred to as:
descriptive statistics
A parameter is:
a characteristic of a population
Descriptive statistics are used to:
summarize or describe data
Inferential statistics are used to:
make statements about a population based on information from a sample
A statistic is to a sample as:
a parameter is to a population
The measure of central tendency that is sensitive to extreme scores
is the:
mean
Mean of the population
A measure that summarizes a distribution in terms of its centrality
or typically is:
a measure of central tendency
The score that is located in the middle of a distribution or the
score that cuts a distribution in half is the:
median
Mean of a sample
Which of the following is NOT a measure of central tendency?
The average deviation
Which of the following is NOT a measure of dispersion?
The median
Which of the following correctly states the relationship between the
standard deviation and the variance?
The variance is equal to the standard deviation, squared
What is the position of the median in the following distribution?
{ 1, 4, 7, 12, 14, 1, 13, 9, 10 }
5.5th score
GRADE A+ GUARANTEED
A table or listing that shows values and how many times each value
occurs is:
Frequency distribution
What is the simplest, most fundamental level of measurement?
Nominal
6 Ways to Show Appreciation for Your Child's Teacher
Students are given grades of A, B, C, D, or F on their homework
assignments. The use of letter grades would be an example of what
level of measurement?
Ordinal
The scale of measurement that assumes there is an underlying scale of
equal units, but without an absolute zero point, is the ______ scale
of measurement.
interval
What reflects the interval or interval/ration level of measurement?
A students GPA
Determining a person's level of education by asking him/her to
indicate the number of school years completed would involve
measurement on a _________ level of measurement.
ratio and/or interval
A sample is?
a portion of a population
Researchers generally want to be able to generalize their results to
a _______, but to do so, they typically carry out their research on
the basis of a _______.
Population, sample
The marketing director of a company wants to conduct research on the
buying habits of the company's customer base. The entire group of
customers would be an example of a ________.
Population
The marketing director of a company examines data collected from 125
customers and determines that customers spent an average of $274.55
in purchases from the company over the past 12 months. The collection
or group of 125 customers would represent a:
sample
The average IQ score for the entire population of students enrolled
at a local community college would be an example of a __________.
, parameter
A researcher wants to know how many emails senior citizens send to
friends each week. If it were possible to find the average for the
entire population of senior citizens, it would be an example of a
_______.
parameter
A researcher records the GPA at the end of the semester for each
student in a sample of 50 freshman students. The average of the 50
GPA scores would be a:
statistic
The term used to describe all possible cases is:
population
Statistics that are used to summarize data are referred to as:
descriptive statistics
A parameter is:
a characteristic of a population
Descriptive statistics are used to:
summarize or describe data
Inferential statistics are used to:
make statements about a population based on information from a sample
A statistic is to a sample as:
a parameter is to a population
The measure of central tendency that is sensitive to extreme scores
is the:
mean
Mean of the population
A measure that summarizes a distribution in terms of its centrality
or typically is:
a measure of central tendency
The score that is located in the middle of a distribution or the
score that cuts a distribution in half is the:
median
Mean of a sample
Which of the following is NOT a measure of central tendency?
The average deviation
Which of the following is NOT a measure of dispersion?
The median
Which of the following correctly states the relationship between the
standard deviation and the variance?
The variance is equal to the standard deviation, squared
What is the position of the median in the following distribution?
{ 1, 4, 7, 12, 14, 1, 13, 9, 10 }
5.5th score
