Statistics Project 6 to 7 pages “Four” areas were discussed and covered more info in the document , see the  rubric and answer each question Differenc

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Statistics Project 6 to 7 pages

“Four” areas were discussed and covered

more info in the document , see the  rubric and answer each question Difference Between Descriptive and Inferential

May 9, 2016 By Surbhi S from

Definition of Descriptive Statistics

Descriptive Statistics refers to a discipline that
quantitatively describes the important characteristics
of the dataset. For describing properties, it uses
measures of central tendency, i.e. mean, median,
mode and the measures of dispersion i.e. range,
standard deviation, quartile deviation and variance,

The data is summarized by the researcher, in a useful
way, with the help of numerical and graphical tools
such as charts, tables, and graphs, to represent data in
an accurate way. Moreover, the text is presented in
support of the diagrams, to explain what they

Definition of Inferential Statistics

Inferential Statistics is all about generalizing from the
sample to the population, i.e. the results of analysis of
the sample can be deduced to the larger population,
from which the sample is taken. It is a convenient way
to draw conclusions about the population when it is
not possible to query each member of the universe.
The sample chosen is a representative of the entire
population; therefore, it should contain important
features of the population.

Inferential Statistics is used to determine the
probability of properties of the population based on
the properties of the sample, by employing probability
theory. The major inferential statistics are based on the
statistical models such as Analysis of Variance, chi-
square test, student’s t distribution, regression
analysis, etc. Methods of inferential statistics:

• Estimation of parameters
• Testing of hypothesis

Key Differences Between Descriptive

and Inferential Statistics

The difference between descriptive and
inferential statistics can be drawn clearly
on the following grounds:

Descriptive Statistics is a discipline which is
concerned with describing the population
under study. Inferential Statistics is a type of
statistics; that focuses on drawing conclusions
about the population, based on sample
analysis and observation.

Descriptive Statistics collects, organizes,
analyzes and presents data in a meaningful
way. On the contrary, Inferential Statistics,
compares data, test hypothesis and make
predictions of the future outcomes.

There is a diagrammatic or tabular
representation of result in descriptive statistics
whereas the result is displayed in the form of

Descriptive statistics describes a situation
while inferential statistics explains the
likelihood of the occurrence of an event.

Descriptive statistics explains the data, which is
already known, to summarize sample.
Conversely, inferential statistics attempts to
reach the conclusion to learn about the
population; that extends beyond the data

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