Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024
Stats Waiver Exam Study Guide Solutions
Updated 2024
True or False - When researchers rely on authority for knowledge they are using the empirical approach
to knowledge - ANSWER✔✔-False
If there are 200 nurses employed by a hospital and 50 are selected for observation, the 200 are known as
a - ANSWER✔✔-population
True or False - Organizing and summarizing data is only a minor function of statistics - ANSWER✔✔-False
True or False - Both everyday observation and research can be misleading - ANSWER✔✔-True
Research differs from everyday observation primary because researchers - ANSWER✔✔-plan their
observations in advance
In which type of study are no treatments given? - ANSWER✔✔-Nonexperimental
True or False - The participants' responses in an experiment constitute the independent variable -
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 - ANSWER✔✔-dependent
True or False - the purpose of an experiment is to identify cause and effect relationships - ANSWER✔✔-
True
Which of the following is an example of a nonexperimental study?
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A survey of political attitudes
A study with a control group
A sutdy with treatments - ANSWER✔✔-A study with a control group
Which of the following is obtained when we study samples?
Parameters
Statistics - ANSWER✔✔-Statistics
True or False: Using a very large sample is the most important characteristic of a good sample -
ANSWER✔✔-False
Random sampling identifies a sample that:
A Contains sampling errors
B Is free of all errors
C is Biased - ANSWER✔✔-A Contains sampling errors
True or False: Using random sampling identifies an unbiased sample. - 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 - ANSWER✔✔-A Sample of convenience
If students name their favorite sport, the resulting data are at what level?
A Ordinal
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B Interval
C Ratio
D Nominal - 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 - ANSWER✔✔-A Ordinal
What scale of measurement has an absolute zero?
A Ordinal
B Interval
C Ratio
D Nominal - ANSWER✔✔-C Ratio
True or False: The lowest level of measurement is the nominal level. - ANSWER✔✔-True
True or False: The ratio scale of measurement is a higher level of measurement than the interval scale. -
ANSWER✔✔-True
A percentage is an example of:
A an inferential statistic
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Stats Waiver Exam Study Guide Solutions
Updated 2024
True or False - When researchers rely on authority for knowledge they are using the empirical approach
to knowledge - ANSWER✔✔-False
If there are 200 nurses employed by a hospital and 50 are selected for observation, the 200 are known as
a - ANSWER✔✔-population
True or False - Organizing and summarizing data is only a minor function of statistics - ANSWER✔✔-False
True or False - Both everyday observation and research can be misleading - ANSWER✔✔-True
Research differs from everyday observation primary because researchers - ANSWER✔✔-plan their
observations in advance
In which type of study are no treatments given? - ANSWER✔✔-Nonexperimental
True or False - The participants' responses in an experiment constitute the independent variable -
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 - ANSWER✔✔-dependent
True or False - the purpose of an experiment is to identify cause and effect relationships - ANSWER✔✔-
True
Which of the following is an example of a nonexperimental study?
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,Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024
A survey of political attitudes
A study with a control group
A sutdy with treatments - ANSWER✔✔-A study with a control group
Which of the following is obtained when we study samples?
Parameters
Statistics - ANSWER✔✔-Statistics
True or False: Using a very large sample is the most important characteristic of a good sample -
ANSWER✔✔-False
Random sampling identifies a sample that:
A Contains sampling errors
B Is free of all errors
C is Biased - ANSWER✔✔-A Contains sampling errors
True or False: Using random sampling identifies an unbiased sample. - 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 - ANSWER✔✔-A Sample of convenience
If students name their favorite sport, the resulting data are at what level?
A Ordinal
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, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024
B Interval
C Ratio
D Nominal - 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 - ANSWER✔✔-A Ordinal
What scale of measurement has an absolute zero?
A Ordinal
B Interval
C Ratio
D Nominal - ANSWER✔✔-C Ratio
True or False: The lowest level of measurement is the nominal level. - ANSWER✔✔-True
True or False: The ratio scale of measurement is a higher level of measurement than the interval scale. -
ANSWER✔✔-True
A percentage is an example of:
A an inferential statistic
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