with solutions 2025
predictive analysis - ANSWER what type of analysis would we use to find out what COULD
happened?
descriptive analysis - ANSWER what type of analysis would we use to find out what HAS
happened?
prescriptive analysis - ANSWER what type of analysis would we use to find out what we SHOULD
do?
identify and define a business problem - ANSWER the first part of the analytics process and
arguably the most important part is to...
probability sampling - ANSWER 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?
big data - ANSWER transactional data are now used by businesses as a part of...
open-ended, multiple-choice, and dichotomous - ANSWER 3 types of questions used in survey
research
dichotomous - ANSWER what type of question is a "yes or no" question?
sampling error - ANSWER the difference between a numerical descriptor of the population and
the corresponding descriptor of the sample
, primary data - ANSWER data that is collected by an individual through personally planned
experimentation and observation
milage of a car - ANSWER what is an example of quantitative date?
process - ANSWER sequence of operations that takes inputs and turns them into outputs
probability sample - ANSWER one method of being sure a sample being studied can be used to
make statistical inferences about the population is to select a...
histogram - ANSWER what type of graph divides quantitative measurements into classes and
graphs the frequency, relative frequency, or percentage frequency for each class?
bar chart, histogram - ANSWER a ________ displays the frequency of each class with qualitative
data and a ________ displays the frequency of each class with quantitative data
scatter plot - ANSWER what type of graph shows the relationship between 2 variables?
pareto chart - ANSWER what type of graph can be used to differentiate the "vital few" causes of
quality problems and the "trivial many" causes of quality problems?
stem-and-leaf plots, histograms, and bar graphs - ANSWER what graphical tools are used to
study the shapes of distributions?
3 - ANSWER a normal population has 99.73% of the population measurements within how many
standard deviations of the mean?