michiiiiiakqm

2022-03-27

Describe about the Quantitative Data and Interval/Ratio Measurement.

allemelrypi0e

Beginner2022-03-28Added 11 answers

Quantitative variable:

The data that take up numerical values or counting values are called quantitative data. A variable with quantitative data is called quantitative variable.

Interval scale:

Some variables take quantitative numerical values, the difference between any two values of which measures the actual difference in the characteristic of the two corresponding subjects. These variables are measured on the interval scale of measurement. These can be added and subtracted.

For example, the temperatures recorded on a thermometer in the Celsius scale at any two places are such that, the difference between the two values on the thermometer measure the actual difference in temperatures in the two places, in degrees Celsius. This is an interval scale variable.

Ratio scale:

Some variables take quantitative numerical values, the values of which can be added, subtracted, multiplied and divided. These variables are measured on the ratio scale of measurement. It also has an absolute zero value.

For example, the height of the students in eighth grade of a school, although cannot be practically 0, is theoretically possible to be 0. Moreover, adding, subtracting, multiplying and dividing makes complete sense. This is a ratio scale variable.

The data that take up numerical values or counting values are called quantitative data. A variable with quantitative data is called quantitative variable.

Interval scale:

Some variables take quantitative numerical values, the difference between any two values of which measures the actual difference in the characteristic of the two corresponding subjects. These variables are measured on the interval scale of measurement. These can be added and subtracted.

For example, the temperatures recorded on a thermometer in the Celsius scale at any two places are such that, the difference between the two values on the thermometer measure the actual difference in temperatures in the two places, in degrees Celsius. This is an interval scale variable.

Ratio scale:

Some variables take quantitative numerical values, the values of which can be added, subtracted, multiplied and divided. These variables are measured on the ratio scale of measurement. It also has an absolute zero value.

For example, the height of the students in eighth grade of a school, although cannot be practically 0, is theoretically possible to be 0. Moreover, adding, subtracting, multiplying and dividing makes complete sense. This is a ratio scale variable.

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