Question

In: Statistics and Probability

identify and list various categories of date that are used in statistical analysis. give few suitable...

identify and list various categories of date that are used in statistical analysis. give few suitable examples

Solutions

Expert Solution

Various categories of date that are used in statistical analysis:

(1) Numerical data (also called Quantitative data): The category of data have meaning as a measurement.

     Example: height, weight, blood pressure etc.

Numerical data can be of 2 types:

(i) Discrete data: Items that can take only finite number of values

    Example: Number of students in a class

(ii) Continuous data: Items that can take any value in a given interval

    Example: Height, weight etc

(2) Categorical data (also called Qualitative data): Data that represent characteristics such as gender, marital status etc.

Categorical data can be of 2 types:

(i) Nominal data: Data which has no intrinsic ordering to its categories

Example: Gender (male or Female)

(ii) Ordinal data: data which can be arranged in increasing or decreasing order

Example: Rating of a restaurant on a given scale


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