WGU C207 Exam UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
There are two types of statistics (Analytics) - CORRECT ANSWER descriptive and inferential
Descriptive statistics are used to ______ - CORRECT ANSWER Inform / Explanatory
Inferential statistics are used to ______ - CORRECT ANSWER Predict / Trend
Name the 4 levels of measurement - CORRECT ANSWER (NOIR) Nominal, Ordinal, Interval,
Ratio
Continuous data with unique zero point - CORRECT ANSWER ratio
Orders data at equal distance apart - CORRECT ANSWER interval
Place qualitative objects in some kind of order - CORRECT ANSWER ordinal
Identify, Group, or Categorize - CORRECT ANSWER nominal
Outliers create this type of error - CORRECT ANSWER out of range
Unpredictable error - CORRECT ANSWER Random Error - No correlation
Error may occur from missing data.
(Example: Space not filled in) - CORRECT ANSWER Omission Error - Distorted results
This error repeats itself - CORRECT ANSWER Systematic Error - Skewed results
What is the process of quality control? - CORRECT ANSWER Reduce/ minimize errors
, All variable measurements and manipulations are under the researcher's control - CORRECT
ANSWER Experimental Study
Used when impractical or impossible to control the conditions of the study - CORRECT ANSWER
Observation Study
Participants are not told if they are in the treatment group or control group - CORRECT ANSWER
Blind Study
The procedure the researcher applies to each subject - CORRECT ANSWER Treatments
Neither the treatment allocator nor the participants know who is in the treatment group or control
group - CORRECT ANSWER Double Blind Study
Questions favor an outcome or the interviewer ask questions that favor an outcome. - CORRECT
ANSWER Information Bias
The average outcome (payoff) when the future includes scenarios that may or may not happen -
CORRECT ANSWER Expected Monetary Value (EMV) Analysis
Observation points that are distant from other observations. - CORRECT ANSWER Outliers
Note: Can be included or excluded in analysis (causes skewness)
Bias that occurs from not selecting a random sample - CORRECT ANSWER Measurement
Bias
Bias introduced because respondents believe it will be beneficial if selected. - CORRECT ANSWER
Conscious Bias
Middle score for a set of data - CORRECT ANSWER Median (Note: skewness does not affect
the median)
QUESTIONS AND CORRECT ANSWERS
There are two types of statistics (Analytics) - CORRECT ANSWER descriptive and inferential
Descriptive statistics are used to ______ - CORRECT ANSWER Inform / Explanatory
Inferential statistics are used to ______ - CORRECT ANSWER Predict / Trend
Name the 4 levels of measurement - CORRECT ANSWER (NOIR) Nominal, Ordinal, Interval,
Ratio
Continuous data with unique zero point - CORRECT ANSWER ratio
Orders data at equal distance apart - CORRECT ANSWER interval
Place qualitative objects in some kind of order - CORRECT ANSWER ordinal
Identify, Group, or Categorize - CORRECT ANSWER nominal
Outliers create this type of error - CORRECT ANSWER out of range
Unpredictable error - CORRECT ANSWER Random Error - No correlation
Error may occur from missing data.
(Example: Space not filled in) - CORRECT ANSWER Omission Error - Distorted results
This error repeats itself - CORRECT ANSWER Systematic Error - Skewed results
What is the process of quality control? - CORRECT ANSWER Reduce/ minimize errors
, All variable measurements and manipulations are under the researcher's control - CORRECT
ANSWER Experimental Study
Used when impractical or impossible to control the conditions of the study - CORRECT ANSWER
Observation Study
Participants are not told if they are in the treatment group or control group - CORRECT ANSWER
Blind Study
The procedure the researcher applies to each subject - CORRECT ANSWER Treatments
Neither the treatment allocator nor the participants know who is in the treatment group or control
group - CORRECT ANSWER Double Blind Study
Questions favor an outcome or the interviewer ask questions that favor an outcome. - CORRECT
ANSWER Information Bias
The average outcome (payoff) when the future includes scenarios that may or may not happen -
CORRECT ANSWER Expected Monetary Value (EMV) Analysis
Observation points that are distant from other observations. - CORRECT ANSWER Outliers
Note: Can be included or excluded in analysis (causes skewness)
Bias that occurs from not selecting a random sample - CORRECT ANSWER Measurement
Bias
Bias introduced because respondents believe it will be beneficial if selected. - CORRECT ANSWER
Conscious Bias
Middle score for a set of data - CORRECT ANSWER Median (Note: skewness does not affect
the median)
