Tuesday, January 22, 2013

Statistical Test for Ordinal Data


Introduction to Statistical test for ordinal data

Ordinal data:

Ordinal data is described the counting of the data which is using the natural “order”. Let us take an example in bike race we decide the prizes for the winner by means of the ranking order such as consider 1st, 2nd and 3rd. And if we would like to measure whatever thing we will use ordinal data scale. The selection of Statistical Analysis: These methods explain the association between the response variable and one or more explanatory variables. We are having binary responses like “yes” or “no”, “male or female”, or “success or failure” etc. Understanding Statistical Median is always challenging for me but thanks to all math help websites to help me out.

Study about Statistical Test for Ordinal Data

‘Statistical analysis’, a categorical ordinal data research suggest is one which used for definite scale measurement. Here categorize categorical ordinal data and continuous data. This is used to measure ‘explanatory variable’ and a ‘response variable’.

Scale of Measurement in Statistical Test for Ordinal Data:

It consists of four types of scales appear in categorical data statistical analysis,

Nominal scales.
Ordinal scales.
Interval scales.
Ratio scales.
They are categorized into two groups in this analysis:

Categorical and
Continuous scale data.
Categorical data:

It contains nominal and ordinal scales data.

Continuous scale data:

It contains interval and ratio scales data.

An ordinal determines an “ORDERED SERIES”, such as graded responses to an item on a survey:

Ordinal scales:

Categorical data which having approved scales are known as an ordinal scale. Is this topic Chi Square Test Degrees of Freedom hard for you? Watch out for my coming posts.

Examples of Statistical Test for Ordinal Data

Example 1 – Statistical test for ordinal data:

Rank of student is one of an example of ordinal scale.

Example 2 – Statistical test for ordinal data:

Survey item:

“Sachin tendulkar will participate in the next worldcup”

For this suggestion shall we take the survey of 10 peoples which gives the result as

Response choices:

Agree = 2, Neither agree nor disagree = 3, Strongly agree = 4, Disagree = 1, Strongly disagree = 0.

Example 3 – Statistical test for ordinal data:

Statistical Methods:

Evocative statistics are used to examine the essential features of data under consideration.

Table is statistical method can be used to represent data sets with number of variables, e.g:

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