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Exam (elaborations)

BSAN 160 Exam Questions and Answers

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  • BSAN 160

BSAN 160 Exam Questions and Answers Enterprise Resource Planning (ERP) Systems - Answer-a software system that integrates information from across the entire company and facilitates sharing of the data throughout the firm Structured Data - Answer-easier for computers: categorial or numerical ...

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  • August 16, 2024
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  • bsan 160
  • BSAN 160
  • BSAN 160
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BSAN 160 Exam Questions and
Answers

Enterprise Resource Planning (ERP) Systems - Answer-a software system that
integrates information from across the entire company and facilitates sharing of the data
throughout the firm

Structured Data - Answer-easier for computers: categorial or numerical

Categorial Data - Answer-classify information into categories; nominal and ordinal

Numerical Data - Answer-if meaningful arithmetic can be performed on it; interval, ratio

Nominal Data - Answer-categorial data classified into exclusive categories within a
variable

Ordinal Data - Answer-categorial data that groups variables into ordered categories

Interval Data - Answer-numerical data measured along a scale with equal distances
from another

Ratio Data - Answer-numerical data measured on a continuous scale with equal
distances and a true zero

Unstructured Data - Answer-easier for humans: textual, multimedia (image, audio,
visual), XML/JSON

Semi-structured Data - Answer-XML, HTML, Log files, etc.

Variables - Answer-aspects of data; columns

Observations - Answer-what is observed in variable (rows)

Values - Answer-specific datum

Mean - Answer-add all values and divide by number of values (average)

Median - Answer-middle value

Mode - Answer-most frequent data value

Quartiles - Answer-data divided into four groups, each with a quarter of all observations

, Variance (σ²) - Answer-measure that quantifies the amount of variability in numerical
data

σ² = (Σ (x-μ)² ) / N

Standard Deviation (σ) - Answer-measure of variability easier to interpret than variance

One Standard Deviation - Answer-either side of the mean ( X + σ); 68% of observations

Two Standard Deviations - Answer-either side of the mean ( X + 2σ); 95% of
observations

Three Standard Deviations - Answer-either side of the mean ( X + 3σ); 99.7% of
observations

Positive Skew - Answer-peak on left side, tail on right

Negative skew - Answer-peak on right side, tail on left

Line Graph - Answer-good for progression of variable over time

Bar Chart - Answer-good for depicting nominal or numerical

Pie Chart - Answer-good for depicting proportions

Business Intelligence - Answer-managing and using complex, multidimensional data to
support business decisions and improve performance

Four Components of BI - Answer-1. Data Warehouse
2. Business Analytics
3. Business Performance Management
4. User Interface

Data Warehouse - Answer-a place where data are organized, standardized, and stored
so that they are available when needed

Business Analytics - Answer-the process of transforming data into insight for making
better decisions

Business Performance Management - Answer-the process used by businesses to
measure, monitor, and manage business performance

Data Visualization - Answer-facilitates the generation and presentation of insights to
support decisions

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