Topmusicanswers
The symbol 'μ' represents the population mean.
What is X̄?
x̄ just stands for the “sample mean” Σ is summation notation, which means “add up” xi “all of the x-values” n means “the number of items in the sample”
What is the name of the symbol for mean?
Probability and statistics symbols table
| Symbol | Symbol Name | Meaning / definition |
|---|---|---|
| μ | population mean | mean of population values |
| E(X) | expectation value | expected value of random variable X |
| E(X | Y) | conditional expectation | expected value of random variable X given Y |
| var(X) | variance | variance of random variable X |
Is M the symbol for mean?
First of all to answer a question you didn't ask, μ is the Greek equivalent of the latin m, which stands for mean.
