Applications of Business Analytics 1 Flashcards
These are the facts and figures collected, analyzed, and summarized for presentation and interpretation.
Data
What does Dow mean?
Dow Jones Industrial Index
What is tracked by many financial advisors and investors as an indication of the state of the overall financial markets and the economy in the US?
Dow
It is a characteristic or a quantity of interest that can take on different values.
Variable
Give examples of variables.
Symbols
Industry
Share Price
Volume
It is a set of values corresponding to a set of variables.
Observation
Every problem and opportunity that an organization or individual is concerned with, what?
The impact of the possible values of relevant variables on the business outcome.
How the value of a variable can vary.
It is the difference in a variable measured over observations.
Variation
What is the role of descriptive analytics?
To collect and analyze data to gain a better understanding of variation and its impact on the business setting.
It’s the values of some variables under the direct control of the decision makers.
Direct Variables
Why do values of other variables may fluctuate with uncertainty?
Because of factors outside the direct control of the decision-maker
It is the quantity whose values are not known with certainty.
Random Variable
Uncertain Variable
What can be categorized in several ways on how they are collected and the type collected?
Data
Is it feasible to collect data from population of all elements of interest?
No
It is the data collected from a subset of the population.
Sample
It is a set of individuals who share a characteristic or set of characteristics.
Population data
In most cases, a representative sample can be gathered by what kind of sampling?
Random sampling
What is it called if numeric and arithmetic operations can be performed on data?
Quantitative Data
What is it called if numeric and arithmetic operations can’t be performed on data?
Categorical data
It can be summarized by counting the number of observations or computing the proportions of observations in each category.
Categorical Data
These are collected from several entities at the same time or approximately the same point in time.
Cross-sectional data
These are collected over several time periods.
Time Series Data
These are frequently found in business and economic publications where analysts understand what happened in the past, identify trends over time, and project future levels.
Graphs of time series data