100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Summary Descriptive statistics: Numerical Measures (STK110) R50,00   Add to cart
Quickly navigate to
Preview
  2.  
  3. University Of Pretoria (UP)
  4.  
  5. STK 110 (STK110)

Summary

Summary Descriptive statistics: Numerical Measures (STK110)
 52 views  2 purchases

Summarizes the measures of location, measures of distribution, measures of variability and other aspects important to analyse numerical data in statistic (STK110)

Preview 1 out of 3  pages

Document information

  • No
  • Chapter 3
  • March 9, 2022
  • 3
  • 2021/2022
  • Summary

Subjects

Connected book

book image

Book Title:

Author(s):

  • Edition:
  • ISBN:
  • Edition:

More summaries for

All for this textbook (4)

Written for

All documents for this subject (52)

Seller

avatar-seller
amywallace

Reviews received

Content preview

Descriptive Statistics: Numerical Measures
Chapter 3
 Sample variance:
Measures of Location
Mean: average value.
 Sample:
 Population:



Median: middle w/e arranged
ascending order.
Mode: occurs most.
Geometric Mean: measure of location
calc by finding nth root of product of
n value.
 Analysing growth rate in financial
Standard Deviation: defined 2 b
data.
positive square root of variance.
“s” for sample
Percentiles: prov info abt data spread
over interval from smallest 2 largest.
Coefficient of Variation: measures
std deviation relative 2 mean.
Ect.


Measure of Distribution,
Shape, Relative Location
Measures of Variability and Outliers
Skewness:
Range:

Interquartile Range:

Variance: diff btw value of each
observation (xi) & mean.
 Deviation about mean
 For sample
 For population
 Variance = deviations around mean
squared.
 Population variance:

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 amywallace. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy this summary for R50,00. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

83637 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy summaries for 14 years now

Start selling
R50,00  2x  sold
  • (0)
  Buy now