Body Mass Index (BMI) is calculated using a person's height and weight. So, if there is a slight changes in height, our findings will be affected.

Null Hypothesis (H_o)
There is no significant difference between Body Mass Index (BMI) and Height.

Research/Alternatives Hypothesis (H₁)
There is significant positively relationship between Body Mass Index (BMI) and Height.

Dependent Variable

• Body Mass Index (BMI)

Independent Variable

• Height

Extraneous Variables

• Gender
• Age
• Weight
  

Conceptualization
BMI
Is a statistical measure of a body weight based on a person's weight and height. It is used to estimate a healthy body weight based on a person's height.

Height
Height is a measurement of vertical distance to indicate 'how tall' that person.

Weight
Body weight is defined as the heaviness of a person measured in kilogram.

Operationalization
BMI
After measuring the height and weight, a scientific calculator is use to calculate. The formula is

Weight (kg)/ height (m) ².

Height
The height is measured using measuring tape in centimeter (cm).

Weight
The weight is measured using digital weighing machine in kilogram (kg).

Informed consent
-Research will be carried out with consent from samples.

No biasness against samples

Confidentiality
-Relevant data will not be revealed to non-authorised personnel.

1. Remove footwear(s).
2. Stand with head and feet touching the wall.
3. Look & keep head straight and in an upright position.
4. Place ruler above head and measure height against measuring tape.
5. Record the data.
6. Repeat step 2, 3, 4 and 5.
   
7. Instruct the students to go for weight weighing.
   

Weight

1. Wait for digital weighing scale to show zero before stepping onto the weighing scale.
2. Stand straight & Look straight (Do not attempt to look at the weighing scale).
3. Record the data .
4. Repeat step 1, 2 & 3.

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