BUAL 2600 Yan Exam 1 Questions And Answers Rated 100% Correct!!
7 views 0 purchase
Course
BUAL 2600 Yan
Institution
BUAL 2600 Yan
dichotomous questions - ️️-clearly stated
-easy to answer
-easy to analyze
-limited information
voluntary response sampling - ️️samples in which participants self-select
-frequently used by radio and television
-over represent people with strong opinions
Data - ️️Facts and figure...
BUAL 2600 Yan Exam 1
dichotomous questions - ✔️✔️-clearly stated
-easy to answer
-easy to analyze
-limited information
voluntary response sampling - ✔️✔️samples in which participants self-select
-frequently used by radio and television
-over represent people with strong opinions
Data - ✔️✔️Facts and figures from which conclusions can be drawn
Data Set - ✔️✔️The data that are collected for a particular study
Variable - ✔️✔️any characteristic of an element
Quantitative Variables - ✔️✔️The possible measurements of the values of a variable
are numbers that represent quantities
Ex: Age
Qualitative (Categorical) Variables - ✔️✔️Labels or names used to identify an attribute
of each element
Ex: Names, addresses, phone numbers
Cross Sectional Data - ✔️✔️Data collected at. the same time or approximately the
same time
Time Series Data - ✔️✔️Data collected over different time periods
Population - ✔️✔️A set of all elements about which we draw conclusions
Sample - ✔️✔️A. subset of all the elements in a population
Probability Sampling - ✔️✔️Sampling where we know the change that each element in
the population will be included in the sequence
convience sampling - ✔️✔️sampling where we select elements because they are
convenient to sample
not a probability sample
, judgements sampling - ✔️✔️samples in which a person who is extremely knowledgable
about the population selects population elements he or she feels are most
representative
nominative variable - ✔️✔️a qualitative variable for which there is no meaningful
ordering, or ranking, of the categories
Ex: gender, car color
ordinal variable - ✔️✔️A qualitative variable for which there is a meaningful ordering or
ranking of the categories.
Ex: teaching effectiveness
interval variable - ✔️✔️All of the characteristics of ordinal (meaningful ranking) plus...
measurements are on a numerical scale with an arbitrary zero point and can only
meaningfully compare values by the interval between them
Ex: Temperature
ratio variable - ✔️✔️interval plus Measurements are on a numerical scale with a
meaningful zero point such as anything related to money
Ex: Earnings, profit, loss, age, distance, height
stratified random sampling - ✔️✔️divide population into non-overlapping groups (strata)
then select a random sample from each strata
multistage cluster sampling - ✔️✔️divide population into clusters and then randomly
select clusters to sample
systematic sampling - ✔️✔️list population, select random starting point, sample each
nth element
multiple choice questions - ✔️✔️-allow more than two responses
-usually analyzed with averages
open-ended questions - ✔️✔️-most honest and complete information
-cannot be readily summarized
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 ACADEMICMATERIALS. 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.
