**What Is Ratio Type of Data? Give Example.**

In statistics, data can be categorized into different types based on their nature and characteristics. One such type is the ratio data. Ratio data is the highest level of measurement in which the data possess all the properties of interval data along with a true zero point.

__Properties of Ratio Data:__

**Identity:** Each value in ratio data has a unique identity and can be differentiated from other values.
**Order:** Values can be arranged in a specific order or sequence.
**Equal Interval:** The difference between any two values is meaningful and consistent throughout the scale.
**Absolute Zero:** Ratio data has a true zero point indicating the absence of the measured attribute.

This type of data allows for various mathematical operations such as addition, subtraction, multiplication, and division. It enables researchers to calculate ratios, percentages, and perform more complex statistical analyses. Let’s understand this with an example.

__Example:__

Consider a study measuring the weight of five individuals using a reliable weighing scale. The weights recorded are as follows: 60 kg, 70 kg, 55 kg, 80 kg, and 65 kg.

In this example, weight is measured using ratio scales because it possesses all the properties mentioned earlier. We can observe that weights have a unique identity (each individual has a different weight), they can be arranged in order (from 55 kg to 80 kg), the intervals between weights are equal (e.g., the difference between two consecutive weights is always 10 kg), and there is an absolute zero point (0 kg represents the absence of weight).

__Conclusion:__

Ratio data is a powerful type of data that provides a high level of measurement. It offers more flexibility in terms of mathematical operations and statistical analysis. Understanding the nature and characteristics of different types of data is crucial for selecting appropriate statistical techniques and drawing valid conclusions from research studies.

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