Express Cohort Study Materials 2025: Accelerated Learning Program & Resources

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Express Cohort - C207 / C 207 (Latest 2025) : Data

Driven Decision Making - W.G.U

There are two types of statistics .....ANSWER.....descriptive and

inferential

Descriptive statistics are used to .....ANSWER.....Inform /

Explanatory

Inferential statistics are used to .....ANSWER.....Predict / Trend

Name the four levels of measurement .....ANSWER.....nominal,

ordinal, interval, ratio

Continuous data with unique zero point .....ANSWER.....ratio

Orders data at equal distance apart .....ANSWER.....interval

Places qualitative objects in some kind of order

.....ANSWER.....ordinal

Identify, Group, or Categorize .....ANSWER.....nominal

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Outliers create this type of error .....ANSWER.....out of range

Unpredictable error .....ANSWER.....Random Error - No

correlation

Error may occur from missing data.

(Example: Space not filled in) .....ANSWER.....Omission Error -

Distorted Results

This error repeats itself .....ANSWER.....Systematic Error - Skewed

results

What is the process of quality control? .....ANSWER.....Reduce/

minimize errors

All variable measurements and manipulations are under the

researcher's control .....ANSWER.....Experimental Study

Used when impractical or impossible to control the conditions of

the study .....ANSWER.....Observational Study