Analysis which is not admissible with nominal data
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Nominal Ordinal Interval Ratio: Examples
Nominal. A pie chart displays groups of nominal variables (i.e. categories). ...
Ordinal. The ordinal scale classifies according to rank. ...
Interval. Interval: has values of equal intervals that mean something. ...
Ratio. Weight is measured on the ratio scale
nominal variable is one in which values serve only as labels, even if those values are numbers. For example, if we want to categorize male and female respondents, we could use a number of 1 for male, and 2 for female. However, the values of 1 and 2 in this case do not represent any meaningful order or carry any mathematical meaning. They are simply used as labels. Nominal data cannot be used to perform many statistical computations, such as mean and standard deviation, because such statistics do not have any meaning when used with nominal variables.
However, nominal variables can be used to do cross tabulations. The chi-square test can be performed on a cross-tabulation of nominal data.
Nominal. A pie chart displays groups of nominal variables (i.e. categories). ...
Ordinal. The ordinal scale classifies according to rank. ...
Interval. Interval: has values of equal intervals that mean something. ...
Ratio. Weight is measured on the ratio scale
nominal variable is one in which values serve only as labels, even if those values are numbers. For example, if we want to categorize male and female respondents, we could use a number of 1 for male, and 2 for female. However, the values of 1 and 2 in this case do not represent any meaningful order or carry any mathematical meaning. They are simply used as labels. Nominal data cannot be used to perform many statistical computations, such as mean and standard deviation, because such statistics do not have any meaning when used with nominal variables.
However, nominal variables can be used to do cross tabulations. The chi-square test can be performed on a cross-tabulation of nominal data.
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