WGU C207 STUDY GUIDE 2026 MASTER
SOLUTION DIGEST
◉Accurately measures what it is intended to measure Answer: Valid
data
◉________ an experimental study prevents bias. Answer: Blinding
◉Neither the treatment allocator nor the participant knows in
which group the participant is contributing. (Who is getting the real
drug?) Answer: Double blind study
◉The participants are not told if they are in the treatment group or
control group Answer: Blind study
◉Describes characteristics of a dataset. Mean, median, mode,
variation, standard deviation, range.... Answer: Descriptive analytics
◉Uses data from t he past to predict the future Answer: Predictive
◉Uses experimental design and optimization to predict a future
Answer: Prescriptive
,◉If we move to six appointments an hour we can increase revenue
2%. Which form of analytics is this? Answer: Prescriptive - We are
taking a specific course of action
◉Based on the last four quarters, we can predict $4,1 million in
sales next quarter. Which form of analytics is this? Answer:
Predictive: We aren't taking any action
◉The number of appointments per day averaged 7 over the last 6
months. Which form of analytics is this? Answer: Descriptive: We are
only describing the past. No future predictions are made.
◉Is Big Data structured, unstructured or both? Answer: Both
◉Where do we store big data Answer: In a big data warehouse
◉Why do marketing teams use big data? Answer: "Datamining"
assists in targeting the best customers for new products or reaching
existing customers for like products
◉Name the 4 levels of measurement Answer: (NOIR) Nominal,
Ordinal, Interval Ratio
, ◉Continuous data with unique zero point is _______ level of
measurement. Answer: Ratio
◉Orders data at equal distance apart is _______ level of measurement.
Answer: Interval
◉Identify, Group, or Categorize is _______ level of measurement.
Answer: Nominal
◉The colors of cars is which level of measurement? Answer:
Nominal
◉The price of the car is which level of measurement? Answer: Ratio
◉Which level of measurement can be multiplied and divided?
Answer: Ratio
◉Which level of measurement cannot be analyzed which most
statistical test? Answer: Nominal
◉Correlation is not _________ Answer: Causation
◉A good sample of the population being studied will be the right
size and ___________ Answer: Random
SOLUTION DIGEST
◉Accurately measures what it is intended to measure Answer: Valid
data
◉________ an experimental study prevents bias. Answer: Blinding
◉Neither the treatment allocator nor the participant knows in
which group the participant is contributing. (Who is getting the real
drug?) Answer: Double blind study
◉The participants are not told if they are in the treatment group or
control group Answer: Blind study
◉Describes characteristics of a dataset. Mean, median, mode,
variation, standard deviation, range.... Answer: Descriptive analytics
◉Uses data from t he past to predict the future Answer: Predictive
◉Uses experimental design and optimization to predict a future
Answer: Prescriptive
,◉If we move to six appointments an hour we can increase revenue
2%. Which form of analytics is this? Answer: Prescriptive - We are
taking a specific course of action
◉Based on the last four quarters, we can predict $4,1 million in
sales next quarter. Which form of analytics is this? Answer:
Predictive: We aren't taking any action
◉The number of appointments per day averaged 7 over the last 6
months. Which form of analytics is this? Answer: Descriptive: We are
only describing the past. No future predictions are made.
◉Is Big Data structured, unstructured or both? Answer: Both
◉Where do we store big data Answer: In a big data warehouse
◉Why do marketing teams use big data? Answer: "Datamining"
assists in targeting the best customers for new products or reaching
existing customers for like products
◉Name the 4 levels of measurement Answer: (NOIR) Nominal,
Ordinal, Interval Ratio
, ◉Continuous data with unique zero point is _______ level of
measurement. Answer: Ratio
◉Orders data at equal distance apart is _______ level of measurement.
Answer: Interval
◉Identify, Group, or Categorize is _______ level of measurement.
Answer: Nominal
◉The colors of cars is which level of measurement? Answer:
Nominal
◉The price of the car is which level of measurement? Answer: Ratio
◉Which level of measurement can be multiplied and divided?
Answer: Ratio
◉Which level of measurement cannot be analyzed which most
statistical test? Answer: Nominal
◉Correlation is not _________ Answer: Causation
◉A good sample of the population being studied will be the right
size and ___________ Answer: Random
