Stats Waiver Exam UPDATED ACTUAL Exam Questions and CORRECT Answers
1 view 0 purchase
Course
Stats Waiver
Institution
Stats Waiver
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, t...
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
