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What are two types of data??????????
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1.Qualitative Data
Qualitative data arise when the observations fall into separate distinct categories.
Examples are:
Colour of eyes : blue, green, brown etc
Exam result : pass or fail
Socio-economic status : low, middle or high.
Such data are inherently discrete, in that there are a finite number of possible categories into which each observation may fall.
Data are classified as:
 nominal if there is no natural order between the categories (eg eye colour), or
 ordinal if an ordering exists (eg exam results, socio-economic status).
2.Quantitative Data
Quantitative or numerical data arise when the observations are counts or measurements. The data are said to be discrete if the measurements are integers (eg number of people in a household, number of cigarettes smoked per day) and continuous if the measurements can take on any value, usually within some range (eg weight).
Quantities such as sex and weight are called variables, because the value of these quantities vary from one observation to another. Numbers calculated to describe important features of the data are called statistics. For example, (i) the proportion of females, and (ii) the average age of unemployed persons, in a sample of residents of a town are statistics
Qualitative data arise when the observations fall into separate distinct categories.
Examples are:
Colour of eyes : blue, green, brown etc
Exam result : pass or fail
Socio-economic status : low, middle or high.
Such data are inherently discrete, in that there are a finite number of possible categories into which each observation may fall.
Data are classified as:
 nominal if there is no natural order between the categories (eg eye colour), or
 ordinal if an ordering exists (eg exam results, socio-economic status).
2.Quantitative Data
Quantitative or numerical data arise when the observations are counts or measurements. The data are said to be discrete if the measurements are integers (eg number of people in a household, number of cigarettes smoked per day) and continuous if the measurements can take on any value, usually within some range (eg weight).
Quantities such as sex and weight are called variables, because the value of these quantities vary from one observation to another. Numbers calculated to describe important features of the data are called statistics. For example, (i) the proportion of females, and (ii) the average age of unemployed persons, in a sample of residents of a town are statistics
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In the scientific method, two types of observation exist: quantitative and qualitative.
The Scientific Method Simplified. ...The Power of Inquiry. ...Quantitative Observations. ...Qualitative Observations.
The Scientific Method Simplified. ...The Power of Inquiry. ...Quantitative Observations. ...Qualitative Observations.
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