Module 1

"Garbage in, garbage out" refers to _____. relying solely on a data analytics model to predict creating a model that is not transparent using inaccurate data a model that predicts people's behavior

C

Analyzing data from surveillance cameras is an example of _____. Developed Analytics Prescriptive Data Mining Emergent Analytics Predictive Data Mining

C

Which of the following types of analytics can provide insight for human decision-making among various courses of action? Real-Time Motion Sensor Developed Emergent

C

Email is an example of _____ data. Transactional Derived Structured Unstructured

D

UPS deployed its On-Road Integrated Optimization and Navigation system to optimize deliveries by taking into account UPS business rules, maps, delivery times, and customer preferences. This is a ___ analytics system. Delineative Descriptive Predictive Prescriptive

D

Which of the following best describes Simpson's Paradox? Behavioral predictions that can be made by putting people into baskets, or categories Companies that use social media to exert influence over individual behavior Using proxy variables for variables that can't be measured Data that displays one trend until it is broken into subgroups that show an opposite trend

D

Which of the following could be an example of a damaging feedback loop? College rankings that are self-reinforcing Insurance rates based on neighborhoods Nuisance crimes that lead to increased police presence All of these

D

Which type of data mining technique is used to sift through a database of transactions to extrapolate what future transactions will be? Analytic Descriptive Prescriptive Predictive

D

Why is data analysis important? It can identify otherwise unknown threats, opportunities, and connections It can lead to competitive advantage in business It can reduce uncertainty All of these

D

You are looking to buy a new car, but you are on a tight budget. You assume you will get an interest rate of 4%. You would use the ___ analysis to predict how much you can spend on a car if the interest rate is actually higher. Assumption Goal-seeking Sensitivity What-if

D

Which of the following is an output of the management process? Information Materials Money Organization's goals People

Organization's goals

DSS combine models and data to analyze _____ problems that involve extensive user involvement.

semistructured

Negative consequences of big data are most often seen when _____. predicting people's behavior, goals, and opinions the model uses only publicly available data predicting tangible outputs creating a model that learns

A

What could be a problem with an employment model that uses testing to predict applicant success? The model does not learn from its previous decisions. The model allows employers the ability to discard several candidates upfront. The model could be based on currently effective employees. Employers might only rely on a predictive model to make decisions.

A

Which of the following types of analytics occurs in real time? Emergent Point of Sale Raw Developed

A

___ is used in the data management stage of the business analytics process to clean the data prior to entry in the data warehouse. DLAP DSS ETL No SQL

ETL

Business analytics encompasses only applications. True False

F

Descriptive analytics is based on historical information, so it cannot be in real-time. True False

F

____is a computer-based system for capturing, integrating, manipulating, and displaying data using digitized maps

Geographic Information Systems

You decide to use source data automation (e.g. bar code scanners) at your checkout lines. This is a(n) ___ decision. Mixed Semistructured Structured Unstructured

Structured

Data mining can be used to predict what will happen in the future. True False

T