All Questions
Tagged with rule-of-thumb descriptive-statistics
3 questions
3
votes
3
answers
3k
views
How to judge skewness based on the mean and range?
Is there any rule of thumb to judging skewness of data based on its mean and range (max-min)? I found such implication in one of the papers I'm reading and I can't see why it would be obvious.
The ...
- 288
3
votes
1
answer
5k
views
How to tell a coefficient of variation (C.V.) is high?
I have a group of data series which contain hundreds of values.
I've calculated the C.V.s of these data series, but I don't know how I can recognise if they are high or low according to the C.V. ...
- 275
3
votes
2
answers
2k
views
Rules of Thumb to choose an initial number of class intervals and refine that choice (potentially automatically)
I was wondering if there are established rules of thumb (or algorithms) that, given a set of observations can help:
choose an initial number of class intervals.
refine that choice to a better number.
...
- 2,055