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what are the levels of decision automation? - correct answer -1 - fully
automated
2- partially automated ( automated with overrides)
3-assisted prediction (assisted automation)
Key Decision Attributes - related to real time decision making - correct
answer -1 - targeted
2-expeditious
3-adaptable to differing circumstances
4-low in cost
5-replicable done in the same way over and over again
Application situations for BI - correct answer -1- monitoring/planning
2- operational transaction focused/ real-time decision making
,Business Intelligence Work - correct answer -Statistics, experimental
design, use of analytic applications - types & tools
Statistics - correct answer -Descriptive, inferential
User of Analytic Applications - correct answer -Descriptive, Predictive,
Prescriptive
Experimental Design - correct answer -Sampling
Probability - correct answer -Estimation, correlation, forecasting
probability - correct answer -a measure or estimation of how likely it is
that something will happen
,forecasting - correct answer -process of making statements about
events where the actual outcomes have not yet been observed
Sampling - correct answer -the data set used to make inferences about
the entire population. it may be a population or a subset
Distribution - correct answer -the arrangement of data values showing
their frequency of appearance when working with discrete data
Statistics - correct answer -discipline and set of methodologies for
dealing with data and turning it into usable information for making
decisions
Descriptive - correct answer -Summarizations and comparisons, often
made with readily available tools
, Experimental Design - correct answer -provides insight into true cause
and effect by demonstrating what outcome occurs when a particular
factor is manipulated
Incorrect acceptance - correct answer -the sample can yield a
conclusion that supports a theory about the population when it is not
existent in the population
Incorrect Rejection - correct answer -The sample can yield a conclusion
that rejects a theory about the population when the theory holds true
in the population (poses more of a concern)
t test - correct answer -used when you cannot know the result of the
total population yet want a level of confidence that what your sample is
indicating is true or applicable to the entire population
two-sample t test - correct answer -allows for a sample size as small as
six and calls for 920 depending on the confidence level desired in the
result - 25% confidence level with six and 99% confidence level with
920.