# ๐คVariable

Last updated

Last updated

A property that can take any value. Such as:

I. Quantitative Variables

Numeric Quantities like:

Type 1: Discrete Variable

Only take on a finite or countably infinite set of values.

Type 2: Continuous Variable

Take on an** infinite number of values** within a given range. These values are **not countable** and can vary smoothly across a continuum. Continuous variables are typically measurements and often include fractions and decimals.

**Why you kept hours or minutes in Continuous ?**

When we consider measurements like time (hours, minutes, seconds), we generally classify them as continuous variables, even though they are often represented with discrete numbers in many practical situations.

The reason behind this classification stems from the nature of the measurement:

**Potential for Infinite Division**: Time can be divided infinitely finer, beyond just hours and minutes, into seconds, milliseconds, microseconds, and so forth. This ability to measure time at progressively smaller intervals without a theoretical limit on how finely it can be divided is a characteristic of continuous variables.**Measurement Precision**: The precision of measuring instruments also supports the notion of continuity. For example, a stopwatch might measure time to the nearest hundredth of a second, suggesting a continuum of possible measurements within any given second.**Real-world Application**: Conceptually, any moment in time can be described with great precision if the appropriate tools are available. For instance, scientific experiments often require extremely precise time measurements that go well beyond the usual divisions of hours and minutes, supporting the view of time as a continuous variable.

II. Qualitative / Categoric Variables

**A. Gender**

**B. IQ**

**C. Blood Groups**

Description | Value | |
---|---|---|

Description | Example Values |
---|---|

Description | Example Values |
---|---|

Sl. No | Gender |
---|---|

IQ Score Range | Interpretation |
---|---|

Sl. No. | Blood Group |
---|---|

1

**Height**

5' 6", 120 CM

2

**Weight**

40 KG, 74 KG

3

Age

25, 37, 48

Number of students in a classroom

1, 2, 3, ..., 30

Outcomes of rolling a six-sided dice

1, 2, 3, 4, 5, 6

Number of cars passing through a toll booth in an hour

0, 1, 2, 3, ...

Height of students in a classroom

5.4 feet, 5.45 feet ...

Amount of time it takes to complete a task

3.5 hours, 3.55 hours ...

Temperature measured during a day

22.3ยฐC, 22.35ยฐC ...

1

Male

2

Female

130 and above

Extremely high

120-129

Very high

110-119

High average

90-109

Average

80-89

Low average

70-79

Very low

69 and below

Extremely low

1

A

2

B

3

AB

4

O