Chapter 16 is Data Handling. We learnt to handle data (as the name implies) and classify them into different charts or graphs or diagrams such as pie charts, bar graphs, histograms, stem and leaf diagrams, pictograms, dot diagrams, and many more. I also learned when we should use different types of representing graphs, charts or diagrams to represent different types of data. For example, Pie chart should only be used in situations where there is a whole and the whole is being divided into different sections. Pictograms are represented in pictures so it may be quite tedious to make.
Stem and Leaf Diagrams are the easiest to understand as it is easy to see all the numbers at once. It is also easy to tell the mean, median and mode from the diagram just by looking at it. I also learned about some differences about different diagrams. Histograms and Bar graphs may seem the same, but the main difference is that the bars of histograms are attached together while the bars of bar graphs are separated.
Statistics are used in real life in situations like our maths e learning task. We were supposed to go to our nearest bus stop and collect data which would be the timings of each bus that comes and then compare them with the scheduled times to see whether the buses in Singapore are really as punctual as they say it is. Other times we have to just collect data and represent them in graphs.
Statistics can benefit us by teaching us how to gather data and then representing them on graphs to share with other people about our findings and possibly benefitting them in the process. Statistics are also used everyday in the working lives of adults to help them improve their working procedure as well as to speed up on time taken to read continuous
data. Statistics are also important when conducting surveys and projects about people so as to be able to find out about what the people you are surveying like most or something which most of the people like most which would be counting the mean, median and mode.
