# Tagged Questions

0answers
45 views

### What is the purpose of subtracting the mean from data when standardizing?

What is the purpose of subtracting the mean from data when standardizing? and What is the purpose of dividing by the standard deviation?
2answers
81 views

### Step by step correlation calculation

I must understand how I can calculate the correlation for the following probability variables. ...
0answers
57 views

### Accuracy of a telescope, measurement without systematic error [closed]

I got these values from the measurement: 20.1, 20.2, 19.9, 20, 20.5, 20.5, 20, 19.8, 19.9, 20 I know that the actual distance is 20 km and the error of the measurement is not affected by the ...
0answers
55 views

### Getting the correct error for a mean calculation

A constant k needs to be calculated including its gaussian error. $k = f_{(u,t)}$ $k_i$ can be calculated with the values and errors of $u_i$ and $t_i$ and their respective errors. Main issue is ...
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