Ch 6 isom

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

is there an incorrect value in the information?

accurate

determines which things go together

affinity grouping

mathematical formulas placed in software that performs an analysis on a data set

algorithms

encompasses all organizational information, and its primary purpose is to support the performing of managerial analysis tasks

analytical information

sales projections, future growth and trends, product statistics

analytical information

the science of fact-based decision making

analytics

the process of identifying rare or unexpected items or events in a data set that do not conform to other items in the data set

anomaly detection

what are the data elements associated with an entity?

attributes

using data about people's behaviors to understand intent and predict future actions

behavioral analysis

__________________ data is a collection of large, complex data sets, including structured and unstructured data, which cannot be analyzed using traditional database methods and tools

big

a data ____________ is a business that collects personal information about consumers and sells that information to other organizations

broker

what is the solution to the problem of being data rich and information poor

business intelligence

what defines how a company performs certain aspects of its business and typically results in either a yes/no or true/false answer?

business rule

gain a clear understanding of the business problem that must be solved and how it impacts the company

business understanding

what enforces business rules vital to an organization's success and often require more insight and knowledge than relational integrity constraints?

business-critical integrity constraints

assigns records to one of a predefined set of classes

classification

____________________ analysis is a technique used to divide information sets into mutually exclusive groups such that the members of each group are as close together as possible to one another and the different groups are as far apart as possible.

cluster

segments a heterogeneous population of records into a number of more homogeneous subgroups

clustering

summary information level

coarse granularity

what can compare two or more data sets to identifying patterns and trends?

comparative analysis

is a value missing from the information

complete

is aggregate or summary information in agreement with detailed information?

consistent

who is the person responsible for creating the original website content?

content creator

who is the person responsible for updating and maintaining website content?

content editor

determines a statistical relationship between variables, often for the purpose of identifying predictive factors among the variables

correlation analysis

select the four functions that a database management system can perform on data in a database?

create, read, update, delete data

business intelligence _______________ track corporate metics such as critical success factors and key performance indicators and include advanced capabilities such as interactive controls allowing users to manipulate data for analysis.

dashboards

_________- mining tools use a variety of techniques to find patterns and relationships in large volumes of information that predict future behavior and guide decision making

data

what is the collection of data from various sources for the purpose of data processing

data aggregation

the three focus areas of big data

data analysis, data mining, data visualization

who is a business analytics specialist who uses visual tools to help people understand complex data

data artist

select the two terms representing the smallest of basic unit of information

data field and data element

what refers to the overall management of the availability, usability, integrity, and security of company data

data governance

what is a storage repository that holds a vast amount of raw data in its original format until the business needs it?

data lake

What contains a subset of data warehouse information?

data mart

apply mathematical techniques to identify trends and patterns in the data

data modeling

what are logical data structures that detail the relationships among data elements using graphics or pictures?

data models

gather and organize the data in the correct formats and structures for analysis

data preparation

What is the process of collecting statistics and information about data in an existing source?

data profiling

what determines the accuracy and completeness of its data?

data quality audits

What is the process of sharing information to ensure consistency between multiple data sources?

data replication

select the statement that accurately describes a situation in which there is too much data to properly understand or make use of it

data rich and information poor

what is an organized collection of data?

data set

who is responsible for ensuring the policies and procedures are implemented across the organization and acts as a liaison between the MIS department and the business?

data steward

analyze the current data along with identifying any data quality issues

data understanding

What describes technologies that allow users to "see" or visualize data to transform information into a business perspective?

data visualization

what moves beyond excel graphs and charts into sophisticated analysis techniques such as pie charts, controls, instruments, maps, time-series graphs, and more?

data visualization tools

what is a logical collection of information, gathered from many different operational databases that supports business analysis activities and decision-making tasks?

data warehouse

what is an interactive website kept constantly updated and relevant to the needs of its customers using a database

data-driven website

select the four primary reasons low-quality information occurs in a system

data-entry personnel enter abbreviated information to save time, online customers intentionally enter inaccurate information to protect their privacy, third-party and external information contains inconsistencies and errors, different systems have different information standards and formats

what maintains information about various types of objects (inventory), events (transactions), people (employees), and places (warehouses)?

database

data-driven ______________ management is an approach to business governance that values decisions that can be backed up with verifiable data

decision

deploy the discoveries to the organization for work in everyday business

deployment

a data __________________ compiles all of the metadata about the data elements in the data model

dictionary

select the four primary reasons low-quality information occurs in a system

different systems have different information entry standards and formats, online customers intentionally enter inaccurate information to protect their privacy, data-entry personnel enter abbreviated information to save time, third-party and external information contains inconsistencies and errors

_________ data is erroneous or flawed data

dirty

What process and manages algorithms across many machines in a computing environment?

distributing computing

progress information through increasing levels of detail

drilling down

proceed in reverse through decreasing levels of detail

drilling up

which of the following problems associated with dirty data?

duplicate data, non-formatted data, incorrect data

what is an area of a website that stores information about products in a database?

dynamic catalog

what includes data that change based on user actions?

dynamic information

select the statement that accurately defines the relationship between entities and attributes in a relational database

each attribute of an entity occupies a separate column of a table

select the three advantages of a data-driven website

easy to store large amounts of data, easy to eliminate human errors, easy to manage content

what stores information about a person, place, thing, transaction, or event?

entity

determines values for an unknown continuous variable behavior or estimated future value

estimation

analyze the trends and patterns to assess the potential for solving the business problem

evaluation

identifies patterns in data, including outliers, uncovering the underlying structure to understand relationships between the variables

exploratory data analysis

what is a process that extracts information from internal and external databases, transforms it using a common set of enterprise definitions, and load is into a data warehouse

extraction, transformation, and loading

what is the application of big data analytics to smaller data sets in near-real or real-time in order to solve a problem or create business value?

fast data

______________ are predictions based on time-series information

forecasts

a ________________ key is a primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables

foreign

users could not get the data they needed, what was collected was not always useful for intended pruposes

inadequate data usefulness

Every department had its own method for recording data so when trying to share information, data did not match and users did not get the data they really needed.

inconsistent data definitions

a data point is an ____________________ item on a graph or a chart

individual

most data stored in operational databases did not allow users direct access; users had to wait to have their similar queries or questions answered by MIS professionals who could code SQL

ineffective direct data access

______________ present the results of data analysis, displaying the patterns, relationships, and trends in a graphical format

infographics

Select two terms that describe the process for weeding out, fixing, or discarding inconsistent, incorrect, or incomplete information

information cleansing and information scrubbing

what is the common term for the representation of multidimensional information

information cube

select the four primary traits of the value of information

information governance, information timeliness, information type, information quality

what refers to the extent of detail within the information?

information granularity

what occurs when the same data element has different values?

information inconsistency

what occurs when a system produces incorrect, inconsistent, or duplicate data?

information integrity issues

what is the duplication of data, or the storage of the same data in multiple places?

information redundancy

information _______________ is a measure of the quality of information

integrity

what are rules that help ensure the quality of information?

integrity constraints

managers need to perform cross-functional analysis using data from all department, which differed in granularities, formats, and level

lack of data standards

the __________________ view of information focuses on how individual users logically access information to meet their own particular business needs

logical

What analyzes such items as websites and checkout scanner information to detect customers' busying behaviors and predict future behavior by identifying affinities among customers' choices of products and services?

market basket analysis

what is the practice of gathering data and ensuring that it is uniform, accurate, consistent, and complete, including such entities as customers, suppliers, products, sales, employees, and other critical entities that are commonly integrated across organizational systems?

master data management

what provides details about data?

metadata

data _______________ is the process of analyzing data to extract information not offered by the raw data alone

mining

one primary goal of a database is to eliminate information redundancy by recording each piece of information in __________________ place(s) in the database

only one

a data value that is numerically distant from most of the other data points in a set of data

outliers

analysis ____________________ occurs when the user goes into an emotional state of over-analysis (or-over-thinking) a situation so that a decision or action is never taken, in effect paralyzing the outcome. In the time of big data, analysis paralysis is a growing problem.

paralysis

the classification or labeling of an identified pattern in the machine learning process

pattern recognition analysis

the _____________ view of information deals with the physical storage of information on a storage device

physical

the data, if available, were often incorrect or incomplete, therefore users could not rely on the data to make decisions

poor data quality

a __________________ is a statement about what will happen or might happen in the future; for example, predicting future sales or employee turnover

prediction

what is a field that uniquely identifies a given record in a table

primary key

a _______________-by-example tool helps users graphically design the anser to a question against a database

query

___________-time information means immediate, up-to-data information

real

What is a data mining algorithm that analyzes a customer's purchases and actions on a website and then uses the data to recommend complementary products?

recommendation engine

a ____________ is a collection of related data elements.

record

select the three statements reflecting the business advantages of a relational database

reduced information redundancy, increased information security, increased information integrity

________________ integrity constraints are rules that enforce basic and fundamental information-based constraints.

relational

a _____________ database management system allows users to create, read, update, and delete data in a relational database

relational

what stores information in the form of logically related two-dimensional tables?

relationship database model

what is a central location in which data is stored and managed

repository

A data _______________ extracts knowledge from data by performing statistical analysis, data mining, and advanced analytics on big data to identify trends, market changes, and other relevant information.

scientist

analyzes text flowing across the internet, including unstructured text from blogs and messages

social media analysis

what identifies the primary location where data is collected

source data

the process of analyzing recorded calls to gather information

speech analysis

what includes fixed data incapable of change in the event of a user action?

static information

data __________________ is the management and oversight of an organization's data assets to help provide business users with high-quality data that is easily accessible in a consistent manner

stewardship

a ______________________ query language asks users to write lines of code to anser questions against a database

sturctured

real-time _____________ provide real-time information in response to requests.

systems

a data map is a technique for establishing a match, or balance, between the source data and the ______________ data warehouse.

target

analyzes unstructured data to find trends and patterns in words and sentences

text analysis

_____________-series information is timestamped information collected at a particular frequency

time

is the information current with respect to business needs?

timely

airline ticket, packing slip, sales receipt

transactional information

encompasses all of information contained within a single business process or unit of work, and its primary purpose is to support daily operational tasks

transactional information

true or false: business-critical integrity constraints tend to mirror the very rules by which an organization achieves success.

true

true or false: databases today scale to exceptional levels, allowing all types of users and programs to perform information processing and information-searching tasks

true

true or false: gender, for instance can be referred to in many times (male, female, M/F, 1/0), but it should be standardized on a data warehouse with one common way of referring to each data element that stores gender (M/F)

true

true or false: information is everywhere in an organization. Managers in sales, marketing, human resources, and management need information to run their departments and make daily decisions. When addressing a significant business issue, employees must be able to obtain and analyze all the relevant information so they can make the best decision possible.

true

is each transaction and event represented only once in the information?

unique

data __________________ includes the tests and evaluations used to determine compliance with data governance policies to ensure correctness of data

validation

different forms of structured and unstructured data; data from spreadsheets and databases as well as from email, videos, photos, and PDFs, all of which must be analyzed

variety

why does a database offer increased information security?

various security features of databases ensure that individuals have only certain types of access to certain types of information

the analysis of streaming data as it travels around the internet; analysis necessary of social media messages spreading globally

velocity

The uncertainty of data, including biases, noise, and abnormalities; uncertainty of untrustworthiness of data; data must be meaningful to the problem being analyze

veracity

virtualization is the creation of a virtual (rather than actual ) version of computing resources, such as an operating system, a server, a storage device, or network resources

virtual

the scale of data; includes enormous volumes of data generated daily; massive volume created by machines and networks

volume

analyzes unstructured data associated with websites to identify consumer behavior and website navigation

web analysis

which of the following are answers to tough business questions BI can answer

where is the business now? where is the business going? where has the business been?

select the statement below that accurately reflects a database

while a database has only one physical view, it can easily support multiple logical views that provides for flexibility


Kaugnay na mga set ng pag-aaral

Life in Medieval Towns Notes Activity

View Set

Chapter 5- Civil Rights [National Government}

View Set

WE LIVE OUR FAITH,GRADE 8,CHAPTER 1

View Set

2021 BEST CASP+ EXAM CAS-003 STUDY

View Set

Connecting Sentences and Clauses, Life in the Renaissance

View Set