Research Question: Is a person’s BMI related to their height?
Dependent Variable: Scale Data BMI
Independent Variable: Height, Weight
Extravenous Variable: Weight of clothes (E.g. Material of clothes), accessories (E.g. Belts, bangles, studs etc), age, gender, health history.
Hypothesis: There is a significant relationship between a person’s height and BMI.
Null Hypothesis: There is no significant relationship between a person’s height and BMI.
Conceptualization/Definition:
• BMI: The body mass index (BMI), or Quetelet index, is a statistical measure of body weight based on a person's weight and height. Though it does not actually measure the percentage of body fat, it is used to estimate a healthy body weight based on a person's height.
• Height: The distance between the lowest and highest points of a person standing upright; stature.
• Weight: A body of determinate mass, as of metal, for using on a balance or scale in weighing objects, substances, etc.
Operationalization:
• Weight is measured using an analog weighing machine in kg.
• Height is measured using a measuring tape in cm.
• BMI was calculated using the formula:
