Answers (Updated 2026) C207 OA
Exam Questions & Answers 2026 –
Latest Update, Brand-New Practice
Set & Exam Preparation Guide
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...
Statistics
Analytics
Management Science
Histograms - ANSWER-Analytics
A manufacturer wants to maximize their factory output while specifically minimizing
labor costs. What type of analytics might they employ to achieve this goal?
Predictive Analytics
Descriptive Analytics
Prescriptive Analytics
Diagnostic Analytics - ANSWER-Prescriptive Analytics
What type of data error that occurs in measurement is constant within a data set and is
sometimes caused by faulty equipment or bias?
Random
,Omission
Outlier
Systematic - ANSWER-Systematic
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?
Omission Error
Systematic Error
Measurement Bias
Information Bias - ANSWER-Measurement Bias
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?
Random
Omission
Outlier
Accuracy - ANSWER-Omission
The use of Big Data is increasingly important to businesses in competitive markets.
Which of the following characteristics is not true of big data?
Requires the use of analytics
Contains structured data
Contains unstructured data
,Can be analyzed with traditional spreadsheets - ANSWER-Can be analyzed with
traditional spreadsheets
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? (Pick 2)
Determine the scope of the problem
Data collection
Review of previous findings
Presenting a recommendation - ANSWER-Determine the scope of the problem &
Review of previous findings
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? (Pick 2)
Treatment procedures
Patient observation
Statistical validity
Experimental response - ANSWER-Treatment procedures & Experimental response
Runners cover 26.2 miles in the Olympics marathon. What level of measurement is
this?
Nominal
Ordinal
Interval
Ratio - ANSWER-Ratio
What level of measurement is the type of cars produced in Ford factory?
, Nominal
Ordinal
Interval
Ratio - ANSWER-Nominal
What level of measurement is this the 10 best cities in the U.S. to retire in?
Nominal
Ordinal
Interval
Ratio - ANSWER-Ordinal
What level of measurement are women's dress sizes (0, 2, 4, 6, etc.)?
Nominal
Ordinal
Interval
Ratio - ANSWER-Interval
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?
Observation study
Blind study
Cohort study
Double blind study - ANSWER-Double blind study