Summary
Summary STK 110 Study Notes
- Course
- STK 110 (STK110)
- Institution
- University Of Pretoria (UP)
Study notes of all chapters for STK 110, with formula’s, explanations, graphs and examples.
[Show more]
Seller
Follow
Content preview
STK 110, Chapter l
I
Quantitative data Qualitative data
• Numerical • Non-numerical (Categorical)
• Can do calculation • Can not do calculation
Fractions or decimals Integers or whole numbers Classified into categories Rank is meaningful
Continuous data Discrete data Nominal data Ordinal data
(Can measure) (Can count) (Weaker)
Ratio scale Interval scale Eg= soft drinks: Eg= rating:
3 3 Interval scale requires that Pepsi, Cole, Fanta, Sprite Excellent, average, poor
Ratio scale requires that
a zero doesn't mean zero.
a zero value exists.
Eg = 0ºC doesn't mean
Eg= O% for math best = no marks.
nothing = is very cold
Has true zero No true zero
Data type Measurement scale Population data: Is the group of all items of interest.
Nominal Sample data: Is the set of items of interest drawn from
Categorical
Ordinal the population.
Census: Is a survey to collect data on the entire population.
Interval Descriptive statistics:
Quantitative
Ratio
3
The process of making an estimate,
Inferential statistics:
I
prediction, or decision about a
Elements: Who or what we are collecting data from. (Be specific) population based on sample data.
Variables: What information we are collecting. Time series: A data set that tracks a sample over time.
Type of research design in which you collect
Observation: Everything collected (always equal to no. of elements) Cross - sectional:
data from different individuals at single point
Measurement: No. of elements x no. of variables f in time.
Sample survey: A survey to collect data on a sample.
....
-
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 EFT, 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 this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller charnellepretorius1201. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R115,33. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
85443 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now