WGU C955 APPLIED PROBABILITY AND
STATISTICS FINAL EXAM WITH
QUESTIONS AND CORRECT VERIFIED
ANSWERS GRADED A+ || 100%
GUARANTEED PASS NEWEST VERSION
Placebo - Answer A substance or procedure that has no effect used for
comparison to the real substance or procedure
Placebo effect - Answer A beneficial effect produced by the belief of the
patient/subject, not by the intervention itself.
Experimenter effect - Answer When the persons running an experiment affects
its results by influencing the subjects inadvertently
Open question - Answer A question that gives the responder freedom to answer
in many different ways -- harder to analyze with statistics.
Closed question - Answer A question with limited choices, e.g. multiple choice
or yes/no. Easier to analyze statistically.
Unbalanced response - Answer Giving more options that are negative than
positive options (or vice versa) which biases the responses towards the more
common option
, Matched pairs - Answer Grouping two similar subjects and giving different
treatments/procedures to each in order to compare the differences. For example,
having one twin take a medication while the other twin does not.
Blind experimental study - Answer When information of a study isn't revealed
to the participants
Double Blind Study - Answer When information of study is hidden from the
researcher and the participant.
Population - Answer The entire group you are trying to describe or understand.
Sampling frame - Answer List of group from which you choose your sample.
Sample - Answer The group that is actually picked to be included in a study
Simple random sample - Answer making a selection by following a random
pattern and selecting without replacement. Unbiased.
Systematic sample - Answer Sample is selected by listing the sampling frame,
then making a selection by following a simple pattern (eg. Every 20th name).
Unbiased.
Voluntary sample - Answer Members of the sample may choose not to respond.
Similar to Non Response.
STATISTICS FINAL EXAM WITH
QUESTIONS AND CORRECT VERIFIED
ANSWERS GRADED A+ || 100%
GUARANTEED PASS NEWEST VERSION
Placebo - Answer A substance or procedure that has no effect used for
comparison to the real substance or procedure
Placebo effect - Answer A beneficial effect produced by the belief of the
patient/subject, not by the intervention itself.
Experimenter effect - Answer When the persons running an experiment affects
its results by influencing the subjects inadvertently
Open question - Answer A question that gives the responder freedom to answer
in many different ways -- harder to analyze with statistics.
Closed question - Answer A question with limited choices, e.g. multiple choice
or yes/no. Easier to analyze statistically.
Unbalanced response - Answer Giving more options that are negative than
positive options (or vice versa) which biases the responses towards the more
common option
, Matched pairs - Answer Grouping two similar subjects and giving different
treatments/procedures to each in order to compare the differences. For example,
having one twin take a medication while the other twin does not.
Blind experimental study - Answer When information of a study isn't revealed
to the participants
Double Blind Study - Answer When information of study is hidden from the
researcher and the participant.
Population - Answer The entire group you are trying to describe or understand.
Sampling frame - Answer List of group from which you choose your sample.
Sample - Answer The group that is actually picked to be included in a study
Simple random sample - Answer making a selection by following a random
pattern and selecting without replacement. Unbiased.
Systematic sample - Answer Sample is selected by listing the sampling frame,
then making a selection by following a simple pattern (eg. Every 20th name).
Unbiased.
Voluntary sample - Answer Members of the sample may choose not to respond.
Similar to Non Response.
