Summary
Summary Measures of Central Tendency
- Module
- Statistics
- Institution
- London School Of Business And Finance
summary of Measures of Central Tendency
[Show more]
Seller
Follow
Content preview
Numerical Descriptive Statistics▪ Measures of central tendency are statistical measures
which describe the position of a distribution.
▪ They are also called statistics of location, and are the
complement of statistics of dispersion, which provide
information concerning the variance or distribution of
observations.
▪ In the univariate context, the mean, median and mode
are the most commonly used measures of central
tendency.
▪ computable values on a distribution that discuss the
behavior of the center of a distribution.
, Measures of Central Tendency
• The value or the figure which represents the whole
series is neither the lowest value in the series nor the
highest it lies somewhere between these two extremes.
• The average represents all the measurements made
on a group, and gives a concise description of the
group as a whole.
• When two are more groups are measured, the central
tendency provides the basis of comparison between
them.
, Definition
• Simpson and Kafka defined it as “ A measure of
central tendency is a typical value around which other
figures congregate” Waugh has expressed “An average
stand for the whole group of which it forms a part yet
represents the whole”.
• Common Measures of Central Tendency are the :
– Mean
– Median
– Mode
– Geometric mean
– Harmonic mean
– Percentiles
– Quartiles
, Arithmetic Mean
Arithmetic mean is a mathematical
average and it is the most popular
measures of central tendency. It is
frequently referred to as ‘mean’ it is
obtained by dividing sum of the values of all
observations in a series (ƩX) by the number
of items (N) constituting the series.
Thus, mean of a set of numbers X1, X2,
X3,………..Xn denoted by x̅ and is defined as
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 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 muhsin212. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £7.32. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73216 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now