MAKING EXAM
WGU C207 DATA DRIVEN DECISION-MAKING EXAM |GUARANTEED PASS |
VERIFIED
Z-Score - ACCURATE ANSWERS✔✔ Data points only. Measurement
of a scores relationship to the mean. A statistical measure that indicates
the number of standard deviations a data point is from its mean.
Variance - ACCURATE ANSWERS✔✔ How far a set of numbers are
spread. Used for Data set. Hint Words = Risk, spread.
Multiplication Rule - ACCURATE ANSWERS✔✔ A method for finding
the probability that both of two events occur. When the probabilities of
multiple events are multiplied together to determine the likelihood of all
of the events happening. Word Hint: And
, Addition Rule - ACCURATE ANSWERS✔✔ A method for finding the
probability that either or both of two events occur. When two events, A
and B, are mutually exclusive, the probability that A or B will occur is
the sum of the probability of each event. Word Hint: Either/or.
Combination Rule - ACCURATE ANSWERS✔✔ How many
combinations can be made.
Bayes Theorem - ACCURATE ANSWERS✔✔ Probability of an event ,
based on conditions that might be related to the event. Conditional
probability. A formula that calculates conditional probabilities. Important
for understanding how new information affects the probabilities of
outcomes. Word Hint: Given that.
Median - ACCURATE ANSWERS✔✔ Number halfway into the data
set. Hint Word: Typical
Mode - ACCURATE ANSWERS✔✔ Number that occurs most often in
a data set.
Mean - ACCURATE ANSWERS✔✔ Average. Add all numbers and
divide.
Standard Deviation - ACCURATE ANSWERS✔✔ How spread out the
numbers are. Square root of the variance.