MAKING EXAM
WGU C207 - DATA-DRIVEN DECISION-MAKING EXAM WITH GUARANTEED
ACCURATE ANSWERS
There are two types of statistics (Analytics) - ACCURATE
ANSWERS✔✔ 1. Descriptive
2. Inferential
Descriptive statistics are used to _________ - ACCURATE
ANSWERS✔✔ Inform; Explain
Inferential statistics are used to ______ - ACCURATE ANSWERS✔✔
Predict/Show trend
Name the 4 levels of measurement - ACCURATE ANSWERS✔✔ 1.
NOIR (Nominal)
, 2. Ordinal
3. Interval
Ratio
Continuous data with unique zero point (Level of Measurement) -
ACCURATE ANSWERS✔✔ Ratio
Orders data at EQUAL distance apart (Level of Measurement) -
ACCURATE ANSWERS✔✔ Interval
Place quantitative objects in some kind of order (Level of Measurement)
- ACCURATE ANSWERS✔✔ Ordinal
Identify, Group, or Categorize (Level of Measurement) - ACCURATE
ANSWERS✔✔ Nominal
Outliers create this type of error - ACCURATE ANSWERS✔✔ Out-of-
Range
Unpredictable error/No correlation - ACCURATE ANSWERS✔✔
Random Error
Error may occur from missing data. (EX: Space not filled in); Distorted
results - ACCURATE ANSWERS✔✔ Omission Error