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# Lab 0 - Statistics and the Student t-test | |
[https://ugmelab.uconn.edu](https://ugmelab.uconn.edu) | |
We use statistics to draw conclusions from limited data. No measurement is exact. Every | |
measurement you make has two types of uncertainties, *systematic* and *random*. | |
*Systematic* uncertainties come from faults in your assumptions or equipment. *Random* | |
uncertainties are associated with unpredictable (or unforeseen at the time) experimental | |
conditions. These can also be due to simplifications of your model. Here are some examples | |
for caliper measurements: | |
In theory, all uncertainies could be accounted for by factoring in all physics | |
in your readings. In reality, there is a diminishing return on investment | |
for this practice. So we use some statistical insights to draw conclusions. | |
# Getting to the Lab resources | |
When you first click the link for [https://ugmelab.uconn.edu](https://ugmelab.uconn.edu) | |
you'll be asked to sign in via Github. Use your netid <abc12345> and password and there | |
will be a server created for you. In the server, is a folder called `work`. Click the | |
folder to find the `Lab_00` content. From there, open the `ME3263-lab-00.ipynb` notebook | |
and complete the exercises and analyze the __Marble Madness__ data. |