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C207 WGU Exam Questions And Answers
2025 Update.
Ratio - Answer✔Continuous data with a unique zero point
Interval - Answer✔Orders data at equal distance apart
Ordinal - Answer✔Place qualitative objects in some kind of order
Nominal - Answer✔Identify, group, or categorize
What is the process of quality control? - Answer✔Reduce/minimize errors
Out of range - Answer✔Outliers create this type of error
Unpredictable error - Answer✔Random Error - No correlation
Error may occur from missing data - Answer✔Omission error - distorted results
blind study - Answer✔a study in which the subjects don't know if they are getting the
treatment or the placebo
Median - Answer✔Middle score for a set of data (if there is an even number, take two middle
scores and average them)
Z score - Answer✔The number of standard deviations a value (x) is above or below the mean
set of numbers.
z score formula - Answer✔take the x value and subtract the mean and then divide by the
standard deviation
If the average is the same for two groups, what will determine their difference? -
Answer✔Variance (standard deviation)
Mean - Answer✔Average
Multiplication - Answer✔Apply this rule when looks for two events occurring (AND)
Addition - Answer✔Use this rule when looking for one of the other event happening (OR)
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C207 WGU Exam Questions And Answers
2025 Update.
Ratio - Answer✔Continuous data with a unique zero point
Interval - Answer✔Orders data at equal distance apart
Ordinal - Answer✔Place qualitative objects in some kind of order
Nominal - Answer✔Identify, group, or categorize
What is the process of quality control? - Answer✔Reduce/minimize errors
Out of range - Answer✔Outliers create this type of error
Unpredictable error - Answer✔Random Error - No correlation
Error may occur from missing data - Answer✔Omission error - distorted results
blind study - Answer✔a study in which the subjects don't know if they are getting the
treatment or the placebo
Median - Answer✔Middle score for a set of data (if there is an even number, take two middle
scores and average them)
Z score - Answer✔The number of standard deviations a value (x) is above or below the mean
set of numbers.
z score formula - Answer✔take the x value and subtract the mean and then divide by the
standard deviation
If the average is the same for two groups, what will determine their difference? -
Answer✔Variance (standard deviation)
Mean - Answer✔Average
Multiplication - Answer✔Apply this rule when looks for two events occurring (AND)
Addition - Answer✔Use this rule when looking for one of the other event happening (OR)
1
