For companies to attract and retain their best customers they need a complete portrait of who they are.
To develop this portrait companies turn to...
a. Statistics
b. Analytics
c. Management Science
d. Histograms -
...
For companies to attract and retain their best customers they need a complete portrait of who they are.
To develop this portrait companies turn to...
a. Statistics
b. Analytics
c. Management Science
d. Histograms - ✔✔b
A manufacturer wants to maximize their factory output while specifically minimizing labor costs. What
type of analytics might they employ to achieve this goal?
a. Descriptive Analytics
b. Predictive Analytics
c. Prescriptive Analytics
d. Diagnostic Analytics - ✔✔c
What type of data error that occurs in measurement is constant within a data set and is sometimes
caused by faulty equipment or bias?
a. Random
b. Omission
c. Outlier
d. Systematic - ✔✔d
An Educator develops a new standardized test to measure math skills of ninth graders. She has students
in her home state of Ohio take the test. If the test is to be used on a national level, what type of error
might be found in her data?
a. Omission Error
b. Systematic Error
c. Measurement Biasd. Information Bias - ✔✔c
A city government is trying to determine the national origins of its recent immigrant population. If a
survey of the immigrant population is conducted in English what type of error might be present in the
data?
a. Random
b. Omission
c. Outlier
d. Accuracy - ✔✔b
The use of Big Data is increasingly important to businesses in competitive markets. Which of the
following characteristics is not true of big data?
a. Requires the use of analytics
b. Contains structured data
c. Contains unstructured data
d. Can be analyzed with traditional spreadsheets - ✔✔d
The Davenport-Kim three-stage model consists of framing the problem, solving the problem, and
communicating results. Which two of the following are part of framing the problem stage?
a. Determine the scope of the problem
b. Data collection
c. Review of previous findings
d. Presenting a recommendation - ✔✔a, c
A healthcare provider is researching blood glucose levels before and after exercising. What two
elements should be part of any experimental study such as this?
a. Treatment procedures
b. Patient observation
c. Statistical validity
d. Experimental response - ✔✔a, dRunners cover 26.2 miles in the Olympics marathon. What level of measurement is this?
a. Nominal
b. Ordinal
c. Interval
d. Ratio - ✔✔d
What level of measurement is the type of cars produced in Ford factory?
a. Nominal
b. Ordinal
c. Interval
d. Ratio - ✔✔a
What level of measurement is this the 10 best cities in the U.S. to retire in?
a. Nominal
b. Ordinal
c. Interval
d. Ratio - ✔✔b
What level of measurement are women's dress sizes (2,4,6, etc.)?
a. Nominal
b. Ordinal
c. Interval
d. Ratio - ✔✔c
A local school board is studying the impact of a proposed change in testing on math scores. Bias can be
introduced into the study by both students and teachers. Which research technique would eliminate this
type of bias?
a. Observation study
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