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### Questions (29)

 116 Which “mean” to use and when? 106 How would you explain covariance to someone who understands only the mean? 59 When (and why) to take the log of a distribution (of numbers)? 48 What's so 'moment' about 'moments' of a probability distribution? 48 Understanding “variance” intuitively

### Reputation (3,400)

 +5 What's so 'moment' about 'moments' of a probability distribution? +10 When (and why) to take the log of a distribution (of numbers)? +10 Which “mean” to use and when? +5 Understanding “variance” intuitively

 13 What is the difference between exponential and geometric distribution? 6 How would you explain covariance to someone who understands only the mean? 2 What exactly is building a statistical model? 1 Guessing the appropriate 'distribution' of an observation to perform some form of sensitivity analysis 0 How to calculate correlation between consumers according their multi-aspect and overall rating?

### Tags (63)

 14 distributions × 8 1 estimation × 4 6 intuition × 8 1 simulation × 2 6 variance × 4 0 experiment-design × 4 6 covariance × 2 0 hypothesis-testing × 4 2 modeling 0 standard-deviation × 3

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