## Quantitative variable

### A quantitative variable, also known as a numerical variable, is a type of variable in statistics that takes on numerical values

A quantitative variable, also known as a numerical variable, is a type of variable in statistics that takes on numerical values. It represents a quantity or amount and can be measured or counted.

There are two types of quantitative variables: discrete and continuous.

1. Discrete quantitative variable: This type of variable can only take on specific values or whole numbers. Examples include the number of siblings a person has, the number of cars in a parking lot, or the number of students in a classroom. Discrete variables are typically represented by integers.

2. Continuous quantitative variable: This type of variable can take on any value within a certain range. It is often measured on a continuous scale. Examples include height, weight, temperature, or time. Continuous variables can be represented by decimals or fractions.

Throughout statistical analysis, quantitative variables are often used in calculations, comparisons, and making inferences. They can be further analyzed using various statistical methods such as measures of central tendency (mean, median, mode), measures of dispersion (standard deviation, variance), graphical representations (histograms, scatter plots), and hypothesis testing.

In summary, a quantitative variable refers to a numerical value that represents a quantity or amount. It can be either discrete or continuous, and its analysis involves various statistical techniques.

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