Stats Waiver Exam UPDATED ACTUAL
Exam Questions and CORRECT Answers
True or False - When researchers rely on authority for knowledge they are using the empirical
approach to knowledge - CORRECT ANSWER- ✔✔False
If there are 200 nurses employed by a hospital and 50 are selected for observation, the 200
are known as a - CORRECT ANSWER- ✔✔population
True or False - Organizing and summarizing data is only a minor function of statistics -
CORRECT ANSWER- ✔✔False
True or False - Both everyday observation and research can be misleading - CORRECT
ANSWER- ✔✔True
Research differs from everyday observation primary because researchers - CORRECT
ANSWER- ✔✔plan their observations in advance
In which type of study are no treatments given? - CORRECT ANSWER-
✔✔Nonexperimental
True or False - The participants' responses in an experiment constitute the independent
variable - CORRECT ANSWER- ✔✔False
Suppose a researcher gave welfare recipients 2 types of job training to see which type was
more effective in helping them get jobs. Getting jobs is the ______ variable - CORRECT
ANSWER- ✔✔dependent
True or False - the purpose of an experiment is to identify cause and effect relationships -
CORRECT ANSWER- ✔✔True
Which of the following is an example of a nonexperimental study?
A survey of political attitudes
,A study with a control group
A sutdy with treatments - CORRECT ANSWER- ✔✔A study with a control group
Which of the following is obtained when we study samples?
Parameters
Statistics - CORRECT ANSWER- ✔✔Statistics
True or False: Using a very large sample is the most important characteristic of a good
sample - CORRECT ANSWER- ✔✔False
Random sampling identifies a sample that:
A Contains sampling errors
B Is free of all errors
C is Biased - CORRECT ANSWER- ✔✔A Contains sampling errors
True or False: Using random sampling identifies an unbiased sample. - CORRECT
ANSWER- ✔✔True
To determine the opinions of all bicycle owners in a city, a researcher surveys the customers
at two bicycle shops that happen to be near her residence. she is using a:
A sample of convenience
B simple random sample - CORRECT ANSWER- ✔✔A Sample of convenience
If students name their favorite sport, the resulting data are at what level?
A Ordinal
B Interval
C Ratio
D Nominal - CORRECT ANSWER- ✔✔D Nominal
If an employer ranks employees from low to high on customer service, the employer is using
what scale of measurement?
, A Ordinal
B Interval
C Ratio
D Nominal - CORRECT ANSWER- ✔✔A Ordinal
What scale of measurement has an absolute zero?
A Ordinal
B Interval
C Ratio
D Nominal - CORRECT ANSWER- ✔✔C Ratio
True or False: The lowest level of measurement is the nominal level. - CORRECT
ANSWER- ✔✔True
True or False: The ratio scale of measurement is a higher level of measurement than the
interval scale. - CORRECT ANSWER- ✔✔True
A percentage is an example of:
A an inferential statistic
B a descriptive statistic - CORRECT ANSWER- ✔✔B a descriptive statistic
True or False: A population may be large or small - CORRECT ANSWER- ✔✔True
An average is an example of:
A an inferential statistic
B a descriptive statistic - CORRECT ANSWER- ✔✔B a descriptive statistic
A correlation coefficient is based on one group's performance on how many variables?
A one
B two or more - CORRECT ANSWER- ✔✔B two or more
Exam Questions and CORRECT Answers
True or False - When researchers rely on authority for knowledge they are using the empirical
approach to knowledge - CORRECT ANSWER- ✔✔False
If there are 200 nurses employed by a hospital and 50 are selected for observation, the 200
are known as a - CORRECT ANSWER- ✔✔population
True or False - Organizing and summarizing data is only a minor function of statistics -
CORRECT ANSWER- ✔✔False
True or False - Both everyday observation and research can be misleading - CORRECT
ANSWER- ✔✔True
Research differs from everyday observation primary because researchers - CORRECT
ANSWER- ✔✔plan their observations in advance
In which type of study are no treatments given? - CORRECT ANSWER-
✔✔Nonexperimental
True or False - The participants' responses in an experiment constitute the independent
variable - CORRECT ANSWER- ✔✔False
Suppose a researcher gave welfare recipients 2 types of job training to see which type was
more effective in helping them get jobs. Getting jobs is the ______ variable - CORRECT
ANSWER- ✔✔dependent
True or False - the purpose of an experiment is to identify cause and effect relationships -
CORRECT ANSWER- ✔✔True
Which of the following is an example of a nonexperimental study?
A survey of political attitudes
,A study with a control group
A sutdy with treatments - CORRECT ANSWER- ✔✔A study with a control group
Which of the following is obtained when we study samples?
Parameters
Statistics - CORRECT ANSWER- ✔✔Statistics
True or False: Using a very large sample is the most important characteristic of a good
sample - CORRECT ANSWER- ✔✔False
Random sampling identifies a sample that:
A Contains sampling errors
B Is free of all errors
C is Biased - CORRECT ANSWER- ✔✔A Contains sampling errors
True or False: Using random sampling identifies an unbiased sample. - CORRECT
ANSWER- ✔✔True
To determine the opinions of all bicycle owners in a city, a researcher surveys the customers
at two bicycle shops that happen to be near her residence. she is using a:
A sample of convenience
B simple random sample - CORRECT ANSWER- ✔✔A Sample of convenience
If students name their favorite sport, the resulting data are at what level?
A Ordinal
B Interval
C Ratio
D Nominal - CORRECT ANSWER- ✔✔D Nominal
If an employer ranks employees from low to high on customer service, the employer is using
what scale of measurement?
, A Ordinal
B Interval
C Ratio
D Nominal - CORRECT ANSWER- ✔✔A Ordinal
What scale of measurement has an absolute zero?
A Ordinal
B Interval
C Ratio
D Nominal - CORRECT ANSWER- ✔✔C Ratio
True or False: The lowest level of measurement is the nominal level. - CORRECT
ANSWER- ✔✔True
True or False: The ratio scale of measurement is a higher level of measurement than the
interval scale. - CORRECT ANSWER- ✔✔True
A percentage is an example of:
A an inferential statistic
B a descriptive statistic - CORRECT ANSWER- ✔✔B a descriptive statistic
True or False: A population may be large or small - CORRECT ANSWER- ✔✔True
An average is an example of:
A an inferential statistic
B a descriptive statistic - CORRECT ANSWER- ✔✔B a descriptive statistic
A correlation coefficient is based on one group's performance on how many variables?
A one
B two or more - CORRECT ANSWER- ✔✔B two or more
