WGU C207 DATA DRIVEN UPDATED FINAL EXAM
QUESTIONS AND ANSWERS SURE A+
✔✔Observes people going forward in time from the time of their entry into the study. -
✔✔Cohort Study
✔✔What are the three elements of an experimental study? - ✔✔Unit, Treatment,
Response
✔✔Accurately measures what it is intended to measure - ✔✔Valid data
✔✔________ an experimental study prevents bias. - ✔✔Blinding
✔✔Neither the treatment allocator nor the participant knows in which group the
participant is contributing. (Who is getting the real drug?) - ✔✔Double blind study
✔✔The participants are not told if they are in the treatment group or control group -
✔✔Blind study
✔✔Describes characteristics of a dataset. Mean, median, mode, variation, standard
deviation, range.... - ✔✔Descriptive analytics
, ✔✔Uses data from t he past to predict the future - ✔✔Predictive
✔✔Uses experimental design and optimization to predict a future - ✔✔Prescriptive
✔✔If we move to six appointments an hour we can increase revenue 2%. Which form of
analytics is this? - ✔✔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? - ✔✔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? - ✔✔Descriptive: We are only describing the past. No future
predictions are made.
✔✔Is Big Data structured, unstructured or both? - ✔✔Both
✔✔Where do we store big data - ✔✔In a big data warehouse
✔✔Why do marketing teams use big data? - ✔✔"Datamining" assists in targeting the
best customers for new products or reaching existing customers for like products
✔✔Name the 4 levels of measurement - ✔✔(NOIR) Nominal, Ordinal, Interval Ratio
✔✔Continuous data with unique zero point is _______ level of measurement. -
✔✔Ratio
✔✔Orders data at equal distance apart is _______ level of measurement. - ✔✔Interval
✔✔Identify, Group, or Categorize is _______ level of measurement. - ✔✔Nominal
✔✔The colors of cars is which level of measurement? - ✔✔Nominal
✔✔The price of the car is which level of measurement? - ✔✔Ratio
✔✔Which level of measurement can be multiplied and divided? - ✔✔Ratio
✔✔Which level of measurement cannot be analyzed which most statistical test? -
✔✔Nominal
✔✔Correlation is not _________ - ✔✔Causation
✔✔A good sample of the population being studied will be the right size and
___________ - ✔✔Random
QUESTIONS AND ANSWERS SURE A+
✔✔Observes people going forward in time from the time of their entry into the study. -
✔✔Cohort Study
✔✔What are the three elements of an experimental study? - ✔✔Unit, Treatment,
Response
✔✔Accurately measures what it is intended to measure - ✔✔Valid data
✔✔________ an experimental study prevents bias. - ✔✔Blinding
✔✔Neither the treatment allocator nor the participant knows in which group the
participant is contributing. (Who is getting the real drug?) - ✔✔Double blind study
✔✔The participants are not told if they are in the treatment group or control group -
✔✔Blind study
✔✔Describes characteristics of a dataset. Mean, median, mode, variation, standard
deviation, range.... - ✔✔Descriptive analytics
, ✔✔Uses data from t he past to predict the future - ✔✔Predictive
✔✔Uses experimental design and optimization to predict a future - ✔✔Prescriptive
✔✔If we move to six appointments an hour we can increase revenue 2%. Which form of
analytics is this? - ✔✔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? - ✔✔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? - ✔✔Descriptive: We are only describing the past. No future
predictions are made.
✔✔Is Big Data structured, unstructured or both? - ✔✔Both
✔✔Where do we store big data - ✔✔In a big data warehouse
✔✔Why do marketing teams use big data? - ✔✔"Datamining" assists in targeting the
best customers for new products or reaching existing customers for like products
✔✔Name the 4 levels of measurement - ✔✔(NOIR) Nominal, Ordinal, Interval Ratio
✔✔Continuous data with unique zero point is _______ level of measurement. -
✔✔Ratio
✔✔Orders data at equal distance apart is _______ level of measurement. - ✔✔Interval
✔✔Identify, Group, or Categorize is _______ level of measurement. - ✔✔Nominal
✔✔The colors of cars is which level of measurement? - ✔✔Nominal
✔✔The price of the car is which level of measurement? - ✔✔Ratio
✔✔Which level of measurement can be multiplied and divided? - ✔✔Ratio
✔✔Which level of measurement cannot be analyzed which most statistical test? -
✔✔Nominal
✔✔Correlation is not _________ - ✔✔Causation
✔✔A good sample of the population being studied will be the right size and
___________ - ✔✔Random
