A statistical inquiry on the relationship between height and weight based upon the students of Mayfield High School.

The first 200 words of this essay...

I have decided to develop a statistical inquiry on the relationship between height and weight based upon the students of Mayfield High School. My hypothesis is that the taller the person the heavier they would be and that the male sex is heavier and taller than the female sex. I state this because I think that girls in a secondary school are more likely to be weight-conscious and boys are usually taller after going through puberty comparatively to girls. I also think that the boys will be spread apart more in terms of height and weight than girls. This is because recent studies have proven that the female sex anatomically matures more after the age of sixteen whereas a male body changes from puberty onwards.

To start my investigation I need an unbiased representation of the entire Mayfield High School. I first need to stratify the data for my sample, proportionate to the size of the year and the different genders. I will take 40 pupils as my sample size as this number would provide a defined sense of accuracy for the representation of the various year groups and genders. The data for the 40 pupils would also be easier