Statistics Investigation Into Height and Weight Relationship
From the data I have received I have chosen to conduct an
investigation comparing height and weight because I feel there much
relevance between ones and height and weight. I have chosen to compare
height and weight because I feel I will get clear results and
therefore conduct a meaningful and knowledgeable investigation. I will
be trying to determine whether ones height has any relevance to ones
weight and then I will attempt to find out whether separating boys
from girls will show different trends and in general have much
difference from the group as a whole.
I will first investigate heights and weight for year 7 and for year 11
and as an extension I will make comparisons and comment for both
years. For my investigation I will need to start with a random sample
of 50 students (25 girls, 25 boys) from year 7. I have data from a
total of around 170 students, and the amount of boys and girls are
roughly even, hence meaning there are about 85 boys and 85 girls. To
get a completely unbiased sample of students I will be using random
selection. I have figured out that because there are around 85 boys it
will be sensible to choose every third boy in the list starting with
the third boy down the list. Theoretically this will mean that around
10 students will not even be considered at the bottom of the list
because 3 × 25 = 75 and 85 - 75 = 10. However this method of random
selection will give me a completely random and unbiased sample of
student. The exact same applies for the girls. When I have done the
random sample selection I will have a total of 50 students, 25 of
which are boys and 25 of which are girls.
I will now conduct a plan in the forms of a flow chart to show what I
plan to do and the types of things I intend on finding out.
Plan
Text Box: Table 2. Humerus length and height of female student in the classText Box: Table 1. Humerus length and height of male student in the class
In this document there will be a breakdown of the steps which will help i...
When you are finished, please make you sure your name is on the paper, print a copy of your outline, staple it together, and hand it in.
2- Then you must divide (/) by all the girls in yr 7 = (30)
The last process is called planning. Planning, formerly called Phase II, is the bridge to change. This can include making a clear plan and creating a menu of options for how to proceed.
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closer the line of best fit is to 1; the more evidence there is to
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Pinson, L. (2004). Anatomy of a Business Plan: A Step-by-Step Guide to Building a Business
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In order to be able to compare girls and boys in each year, I will
The planning aspect, which was totally absent before, is now the starting point for every assignment. The purpose of the plan is to give myself a direc...