Exam (elaborations)
WPC 300 Final Exam review (updated) questions well answered
- Course
- Institution
WPC 300 Final Exam review (updated) questions well answered
[Show more]
Content preview
WPC 300 Final Exam review (updated)questions well answered
Data Variable Categories - correct answer ✔✔Qualitative and Quantitative
Qualitative - correct answer ✔✔Is descriptive and conceptual and cannot be measured
Quantitative - correct answer ✔✔Can be counted, measured, and expressed using numbers
Quantitative Data Variables - correct answer ✔✔Numerical-interval, ratio
Categorical-Nominal, ordinal
(Quantitative Categorical) Nominal - correct answer ✔✔The numerical values just "name" the attribute
uniquely
Ex: Employment classification
1 for Educator
2 For Construction Worker
3 for Manufacturing Worker
(Quantitative Categorical) Ordinal - correct answer ✔✔Numbers are used to indicate rank or order
Ex:
1 for President
2 for Vice President
3 for Plant Manager
(Quantitative Numerical) Interval - correct answer ✔✔Also known as "Scale", "Quantitative" or
"Parametric" data.
, Distances between consecutive integers are equal Relative magnitude of numbers is meaningful
Differences between numbers are comparable Location of origin, "zero", is arbitrary (VAGUE ZERO)
Data are always numerical
Ex:
Temperature at different rooms in a home
(Quantitative Numerical) Ratio - correct answer ✔✔Similar to interval scale, the difference being that
Ratio has a true ZERO POINT.
This scale is commonly used for values that are measured in numbers, such as length, height, weight, or
monetary values like cost and revenue.
Relative magnitude of numbers is meaningful Differences between numbers are comparable
Location of origin, zero, is absolute (natural)
Ex: Height, Weight, and volume
Statistics - correct answer ✔✔the science concerned with developing and studying methods for
collecting, analyzing, interpreting and presenting empirical data to assist in making effective decision
Descriptive statistics - correct answer ✔✔a summary statistic that quantitatively describes or
summarizes features from a collection of information,
3 Principles of describing data - correct answer ✔✔Center, Spread, Shape
inferential statistics (Sample data) - correct answer ✔✔Estimate uncertainty (using probability) some
member of the data to infer about population data
Population - correct answer ✔✔(the whole) a collection of persons, objects, or items under study
Census - correct answer ✔✔gathering data from the entire population
Sample - correct answer ✔✔a portion or subset of the whole/population that must be large enough to
represent the whole
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 BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now