Khan Academy(#1): Identifying individuals, variables and categorical variables in a data set 1. When doing statistic

Question

Khan Academy(#1): Identifying individuals, variables and

categorical variables in a data set

1. When doing statistics, what is an individual:

2. When doing statistics, what is a variable?

3. When doing statistics, what is a categorical variable?

4. When doing statistics, what is a numerical variable?

5. When doing statistics, what is a data set?

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Latifah 3 years 2021-08-13T12:36:13+00:00 1 Answers 14 views 0

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  1. Doris
    0
    2021-08-13T12:37:15+00:00
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    Answer:

    Explanation shown below

    Step-by-step explanation:

    In the study of statistics – INDIVIDUALS are objects that are described by a set of data.  

    VARIABLE is said to be an important element of any statistical data. It is a characteristic of a unit that is being observed which may rightly assume many set of values. Numerical values can be assigned to them.  

    CATEGORICAL VARIABLE – are usually referred to as qualitative data, which can be put into different categories based on their characteristics. Under this, we have the Nominal Variable – eg. Gender – Male, Female. They the set of variables that have two or more categories with no ordering. The Ordinal Variable – has two or more categories with clear ordering.

    NUMERICAL VARIABLE include interval variable and ratio variable. In these types of variables, measurement have numerical meaning.    

    DATA SET is a collection of data, permanently stored which relate to a particular subject. The test scores of each student in a particular class is an example of data set

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