EXAM QUESTIONSWITH VERIFIED
SOLUTIONS NEW MODIFIED GRADED A+
what type of sampling is where we know the chance that each element
will be included in the sample, which allows us to make statistical
inferences about the sample population? --CORRECT ANSWER--
probability sampling
transactional data are now used by businesses as a part of... --
CORRECT ANSWER--big data
3 types of questions used in survey research --CORRECT ANSWER-
-open-ended, multiple-choice, and dichotomous
what type of question is a "yes or no" question? --CORRECT
ANSWER--dichotomous
the difference between a numerical descriptor of the population and
the corresponding descriptor of the sample --CORRECT ANSWER--
sampling error
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,data that is collected by an individual through personally planned
experimentation and observation --CORRECT ANSWER--primary
data
what is an example of quantitative date? --CORRECT ANSWER--
milage of a car
what type of analysis would we use to find out what COULD
happened? --CORRECT ANSWER--predictive analysis
what type of analysis would we use to find out what HAS happened? -
-CORRECT ANSWER--descriptive analysis
what type of analysis would we use to find out what we SHOULD
do? --CORRECT ANSWER--prescriptive analysis
the first part of the analytics process and arguably the most important
part is to... --CORRECT ANSWER--identify and define a business
problem
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, sequence of operations that takes inputs and turns them into outputs --
CORRECT ANSWER--process
one method of being sure a sample being studied can be used to make
statistical inferences about the population is to select a... --CORRECT
ANSWER--probability sample
what type of graph divides quantitative measurements into classes and
graphs the frequency, relative frequency, or percentage frequency for
each class? --CORRECT ANSWER--histogram
a ________ displays the frequency of each class with qualitative data
and a ________ displays the frequency of each class with quantitative
data --CORRECT ANSWER--bar chart, histogram
what type of graph shows the relationship between 2 variables? --
CORRECT ANSWER--scatter plot
what type of graph can be used to differentiate the "vital few" causes
of quality problems and the "trivial many" causes of quality
problems? --CORRECT ANSWER--pareto chart
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