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... - 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? - ANSWER
prescriptive analysis
What type of data error occurs when measurement is constant within a data set and is
sometimes cause by faulty equipment or bias? - 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? - 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? - 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?
o requires the use of analytics
o contains structured data
o contains unstructured data
o can be analyzed with traditional spreadsheets - ANSWER
1
,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?
o determine the scope of the problem
o data collection
o review previous findings
o presenting a recommendation - ANSWER determine the scope of the problem and
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?
o treatment procedures
o patient observation
o statistical validity
o experimental response - ANSWER treatment procedures and experimental response
Runners cover 26.2 miles in the Olympics marathon. What level of measurement is this? -
ANSWER ratio
What level of measurement is the type of cars produced in Ford factory? - ANSWER
nominal
What level of measurement is this the 10 best cities in the U.S. to retire in? - ANSWER
ordinal
What level of measurement are women's dress sizes (0, 2, 4, 6, etc.)? - 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? - ANSWER double-blind study
2
,A Company's product development team test 3 new car waxes by waxing 5 cars with each
wax and then running them through a car wash. They then record number of washes it takes
before the wax begins to deteriorate. What is the term for the five cars? - ANSWER
experimental unit
Frame the Problem, Solving the Problem and Communicating Results are part of which
decision making model? - ANSWER Davenport-Kim three-stage model
In which stage of the Davenport-Kim model is problem recognition? - ANSWER framing
the problem
In which stage of the Davenport-Kim model is data collection? - ANSWER solving the
problem
What is the key reason we study statistics? - ANSWER make informed decisions
Virtually presenting data assists in which stage of the Davenport-Kim model? - ANSWER
communicating the results
When does research fail to produce reliable results? - ANSWER poor research validity
What are the two major issues surrounding research standards? - ANSWER best practices
and ethics
In order to be a statistically valid sample, the sample must be: - ANSWER the appropriate
size and random
Not selecting a random sample is what type of bias? - ANSWER measurement
3
, Not selecting a right sized sample is what type of bias? - ANSWER measurement
Research best practices eliminate... - ANSWER bias
Outliers create this type of error - ANSWER out of range
unpredictable error - ANSWER Random Error - No correlation
Error may occur from missing data. (Example: Space not filled in) - ANSWER omission
error- distorted results
The error repeats itself - ANSWER Systematic Error - Skewed results
Observation points that are distant from other observations. - ANSWER outliers
Bias that occurs from not selecting a random sample - ANSWER measurement
Bias introduced because respondents believe it will be beneficial if selected. - ANSWER
conscious bias
Consistent and repeatable data - ANSWER reliable
resulting from accurate measurements - ANSWER Valid data
If a responder lies on their survey, this creates what type of bias? - ANSWER information
Sorting your spreadsheet can expose these errors by moving them to the very top or the
very bottom of the column - ANSWER omission or out-or -range
4
who they are. To develop this portrait companies turn to... - 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? - ANSWER
prescriptive analysis
What type of data error occurs when measurement is constant within a data set and is
sometimes cause by faulty equipment or bias? - 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? - 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? - 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?
o requires the use of analytics
o contains structured data
o contains unstructured data
o can be analyzed with traditional spreadsheets - ANSWER
1
,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?
o determine the scope of the problem
o data collection
o review previous findings
o presenting a recommendation - ANSWER determine the scope of the problem and
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?
o treatment procedures
o patient observation
o statistical validity
o experimental response - ANSWER treatment procedures and experimental response
Runners cover 26.2 miles in the Olympics marathon. What level of measurement is this? -
ANSWER ratio
What level of measurement is the type of cars produced in Ford factory? - ANSWER
nominal
What level of measurement is this the 10 best cities in the U.S. to retire in? - ANSWER
ordinal
What level of measurement are women's dress sizes (0, 2, 4, 6, etc.)? - 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? - ANSWER double-blind study
2
,A Company's product development team test 3 new car waxes by waxing 5 cars with each
wax and then running them through a car wash. They then record number of washes it takes
before the wax begins to deteriorate. What is the term for the five cars? - ANSWER
experimental unit
Frame the Problem, Solving the Problem and Communicating Results are part of which
decision making model? - ANSWER Davenport-Kim three-stage model
In which stage of the Davenport-Kim model is problem recognition? - ANSWER framing
the problem
In which stage of the Davenport-Kim model is data collection? - ANSWER solving the
problem
What is the key reason we study statistics? - ANSWER make informed decisions
Virtually presenting data assists in which stage of the Davenport-Kim model? - ANSWER
communicating the results
When does research fail to produce reliable results? - ANSWER poor research validity
What are the two major issues surrounding research standards? - ANSWER best practices
and ethics
In order to be a statistically valid sample, the sample must be: - ANSWER the appropriate
size and random
Not selecting a random sample is what type of bias? - ANSWER measurement
3
, Not selecting a right sized sample is what type of bias? - ANSWER measurement
Research best practices eliminate... - ANSWER bias
Outliers create this type of error - ANSWER out of range
unpredictable error - ANSWER Random Error - No correlation
Error may occur from missing data. (Example: Space not filled in) - ANSWER omission
error- distorted results
The error repeats itself - ANSWER Systematic Error - Skewed results
Observation points that are distant from other observations. - ANSWER outliers
Bias that occurs from not selecting a random sample - ANSWER measurement
Bias introduced because respondents believe it will be beneficial if selected. - ANSWER
conscious bias
Consistent and repeatable data - ANSWER reliable
resulting from accurate measurements - ANSWER Valid data
If a responder lies on their survey, this creates what type of bias? - ANSWER information
Sorting your spreadsheet can expose these errors by moving them to the very top or the
very bottom of the column - ANSWER omission or out-or -range
4
