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The data

data collection - 
data processing/analysis - 

You are required to complete statistical measures. At this level of research, it is simply not an option. The good news is that there is help for you. Below is a Brief Course in Statistics written by Dru Martin at Ramstein High School. This will assist you with your data analysis. 

Data gathering + measurement: 
Ultimately the analysis you can do, the graphs you can make and the conclusions you can come to depend on the data that you gather. The richer in information your measurements are, the better the rest of your project can be. To 
illustrate:

1.    
The bacteria grew yes/no 



2.    
The bacteria grew (circle one) none  some  lots  



3.    
The bacteria covered ____% of the surface. 



Number one is an example of a categorical measurement; your observation fits into one of two categories. Number two is also a categorical measurement, but the categories have an inherent order. Number three is a quantitative measurement. As we move from 1 to 2 to 3, the amount of information contained in the data increases, and the analysis possibilities increase as well. When possible, take quantitative measurements of your dependent and independent 
variables.

Graphing data: Your experiment will most likely be comparing a control setup with an experimental setup. Therefore, your graphs should clearly compare these two results, preferably on the same graph. 
The type of graph you can draw depends on the type of data that you took. For categorical data, a pie chart or histogram is best. For one quantitative measurement, a bar graph, boxplot, stem-and-leaf diagram or dotplot are all good alternatives. If you have a quantitative measurement for each of your experimental groups, you will need to display all the groups on one graph. Finally, if you are looking at the relationship between two quantitative measurements, a scatterplot is most useful, and a least squares regression line may be appropriate.

Video - Introduction to Statistical Analysis

OPTIONS FOR STATISTICAL ANALYSIS
T-Test PowerPoint Explanation

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Copyright © 2015
  • JSHS Europe
    • JSHS Information
  • JSHS Projects
    • Project Topic
    • Researching your topic
    • Design your Research Method
    • Data Collection and Processing
    • Write Your Paper
    • Turn In Your Paper
    • Teacher/Mentor Page
  • JSHS Starters
  • 2022
    • 2022 AWARDS
    • 2022 Oral Presentations
  • 2021
    • 2021 Live Stream
    • 2021 Oral Presentations
    • 2021 Poster Presentations
  • 2020
    • 2020 Live Stream
    • 2020 Oral Presentations
    • 2020 Poster Presentations
    • 2020 Key Note
    • 2020 Awards
  • 2019
    • 2019 Oral Presentations
    • 2019 Poster Presentations
    • 2019 Event / Promo Video
    • 2019 Awards
  • 2018
    • 2018 Awards
    • 2018 Oral Presentations ALL
    • 2018 Oral Presentations Abstracts
    • 2018 Poster Presentations
    • 2018 Event / Promo Video
    • 2018 Photo Gallery
  • Contact Us