GCSE coursework about maths data handling.

Essay by baidoHigh School, 11th gradeA+, November 2005

Introduction.

My group has collected information about each other in the group. The information was on there:

Sex

Height

Arm Span

Shoe Size

Eye Colour

We measured each group member and collected the data for each of these categories.

My aim for this piece of work was to collect all of the results from the people in the group and to make sure that my hypothesis is correct.

These results have been recorded into a data collection sheet and are Primary Data. We have tried to get these results as correctly as possible.

The information recorded from other groups is called Secondary Data; we do not know how accurate these results are because we were not there to make sure they were accurately recorded.

Some of the data like the arm span is Continuous; this means that it has been measured using a ruler or a tape measure.

Discrete data is a type of data that can ether be counted or put into a category. One piece of discrete data from the different categories I have measured is Shoe size.

Qualitative data is a person's opinion; this type of data is not always accurate because different people would have different opinions about somebody's eye colour.

The last type of data is quantitative; this is a counted piece of data or an amount like a Head circumference.

The group collected the data into a chart. Each person in the group had a row to be filled in for all the different categories. The results were very accurate because the whole group would check the results and confirm them.

My hypothesis.

My hypothesis is to prove that there is some kind of link between the height of a person and the size of there shoes. I have chosen...