BUAL 2600 Business Analytics Exam 1 Ch 1-2, 8 Questions & Answers 2024
data warehouses - ANSWERSwhere data is stored electronically, in vast digital repositories
big data - ANSWERSdata sets so large that traditional methods of storage and analysis are inadequate
transactional data - ANSW...
data warehouses - ANSWERSwhere data is stored electronically, in vast digital repositories
big data - ANSWERSdata sets so large that traditional methods of storage and analysis are inadequate
transactional data - ANSWERSdata collected for recording the companies' transactions
data mining or predictive analytics - ANSWERSthe process of using transactional data to make other
decisions and predictions
business analytics - ANSWERSany use of statistical analysis to drive business decisions from data
all data has a... - ANSWERScontext
data table - ANSWERSwhere data is often organized
cases - ANSWERSrows of a data table correspond to individual cases about whom we record some
characteristics
respondents - ANSWERSindividuals who answer a survey
subjects or participants - ANSWERSpeople in an environment
experimental units - ANSWERSanimals, plants, websites, or other inanimate objects
, variables - ANSWERSthe characteristics recorded about each individual or cases- the are usually shown
as the columns of a data table and identify what has been measured
metadata - ANSWERStypically contains information about how, when, and where (and possibly why) the
data were collected; who each case represents; and the definitions of all the variables
spreadsheet - ANSWERSwhere data is typically saved, where the rows represent cases and the columns
represent variables
relational database - ANSWERStwo or more separate data tables are linked together so that information
can be merged across them
relation - ANSWERSeach data table included in the database is a relation because it is about a specific set
of cases with information about each of these cases for all the variables
categorical/qualitative variable - ANSWERSwhen a variable names categories and answers questions
about how cases fall into those categories
- may only have two possible values (like "yes" or "no")
numbers like a zip code or SSN or student ID #
quantitative variable - ANSWERSwhen a variable has measured numerical values with units and the
variable tells us about the quantity of what is measured
- must have units
identifier variable - ANSWERSa unique identifier assigned to each individual or item in a group
- SSN, student ID numbers, tracking numbers, etc are all identifier variables for people or items
- the do not have units
- the are not variables to be analyzed
nominal variables - ANSWERScategorical variables used only to name categories that don't have order
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
