January 17, 2015
SHIRLEEN WHETSTONE, TASHA S.
Description of the functions of statistics
Example of statistical functions
Definition of descriptive statistics
Definition of inferential statistics
Example I. relationship between descriptive and inferential statistics.
Example II. relationship between descriptive and inferential statistics.
Description of the functions of
People have a limited capacity of
Statistics help condense an
overwhelming body of data
Help researchers "see" patterns and
Assist the human mind comprehend
disparate data as an organized
(Statistics) tables showing the values of
the cumulative distribution functions,
probability functions, or probability
density functions of certain common
distributions for different values of their
parameters, and used esp to determine
whether or not a particular statistical
result exceeds the required significance
According to Simply Psychology “Descriptive statistics is the term given to the analysis of data that
helps describe, show or summarize data (i.e. the sample) in a meaningful way such that, for example,
patterns might emerge from the data. Descriptive statistics do not, however, allow us to make
conclusions beyond the data we have analyzed or reach conclusions regarding any hypotheses we
might have made. They are simply a way to describe our data.
The central tendency of a distribution is an estimate of the "center" of a distribution of values. There
are three major types:
Mean: all values in a set of data are added together and divided by the number of values (N).