MIS Final Exam

Data mining systems are also referred to as: Question options: A) knowledge discovery systems B) executive systems C) cluster analysis systems D) digital dashboards

A

Market Basket Analysis uses what type of machine learning technique? Question options: A) association rule learning B) classification analysis C) summarization D) regression analysis

A

What type of chart may be used to show a distribution of a variable such as an age distribution or a grade distribution? Question options: A) histogram B) box plot C) tree diagram D) gantt chart

A

What type of query is needed to extract "answers" to questions in a database? Question options: A) SELECT B) EXTRACT C) LOOKUP D) JOIN

A

On Google Analytics, what term refers to user interactions with content that can be tracked independently from a web page visit (such as a user clicking on your [download now] button)? Question options: A) downloads B) events C) behaviors D) interactions

B

The term "big data" refers to _________. Question options: A) datasets that must be processed by relational database management systems. B) datasets that are too large and diverse to be processed by older database management systems. C) hierarchical datasets. D) large collections of unstructured data.

B

Which statement is NOT true about big data analytics? Question options: A) The ultimate goal of data analytics is to create insights that lead to actions and create value to stakeholders. B) It is an approach used to find the right questions to ask. C) It is an approach used to find the right answers to questions. D) The ultimate goal of data analytics is to maximize profits for stockholders.

D

The recall rate is the percentage of those cases that are actually positive and were predicted to be positive. In this case, the recall rate is: Question options: A) 400 / 550 or 72% B) 400 / 500 or 80% C) 450 / 500 or 90% D) 450 / 550 or 82%

C

What is the term used to describe the common practice of configuring one physical computer to operate like a network of computers? Question options: A) cloud hosting B) distributed processing C) virtualization D) parallel processing

C

What type of analysis is used to discover what items are frequently purchased together in a grocery store (such as peanut butter and jelly or cereal and milk)? Question options: A) Market Segmentation Analysis B) Clustering Analysis C) Market Basket Analysis D) Recommendation Analysis

C

When a ______ machine learning process is used, an algorithm uses a large collection of previous events (such as loan defaults) to develop a model to predict the probability of future occurrences. Question options: A) unsupervised B) hierarchical C) supervised D) partitioning

C

A commonly-used partitional clustering technique is called Question options: A) anomaly detection B) classification model C) least squares D) K-means

D

Generating a model for sentiment analysis typically uses one of two statistical processes. One is Naive Bayes. The other is: Question options: A) K means B) linear regression C) aPriori analysis D) K nearest neighbors

D

What data mining technique should you use if you are trying to predict what group or segment a particular customer belongs to? Question options: A) association rule analysis B) cluster analysis C) regression analysis D) classification analysis

D

Which of the following cloud services is also referred to as "hardware as a service"? Question options: A) platform as a service, or PaaS B) software as a service, or SaaS C) data as a service, or DaaS D) infrastructure as a service, or IaaS

D

Which of the following statistical process is NOT used to create a descriptive model? Question options: A) association rule analysis B) cluster analysis C) summarization D) classification analysis

D