Exam (elaborations)
Introduction to Statistics
- Course
- Institution
Introduction to Statistics
[Show more]
Content preview
Introduction to Statisticsstatistics - ANSWER a science that deals with any aspect of the collection, analysis,
interpretation, and presentation of data
data - ANSWER a collection of observations
population - ANSWER the collection of all individuals or items under consideration in
a statistical study
census - ANSWER a study that involves the entire population
sampling - ANSWER a process of obtaining a sample from the population
sample - ANSWER a part of the population from which information is obtained
representative sample - ANSWER a sample that reflects as closely as possible the
relevant characteristics of the population under consideration
descriptive statistics - ANSWER the methods for organizing and summarizing
information
inferential statistics - ANSWER the methods for drawing and measuring the reliability
of conclusions about a population based on information obtained from a sample of
the population
sampling error - ANSWER the natural variation that results from selecting a sample
to represent a larger population
nonsampling error - ANSWER an issue that affects the reliability of sampling data
other than the natural variation
observational study - ANSWER a study in which researchers simply observe
characteristics and take measurements
designed experiment - ANSWER a study in which the data do not exist until
someone does "the experiment" that produces the data
statistically significant result - ANSWER a result that is very unlikely to occur by
chance
practically significant result - ANSWER a result that is big enough to be meaningful
in the real world regardless of its statistical significance
lurking variable - ANSWER a variable that causes the changes in the two variables
under consideration
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 leonardmuriithi061. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
64438 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now