The mean is typically represented by the symbol ( \mu ) (mu) when referring to the population mean, and by ( \bar{x} ) (x-bar) when referring to the sample mean. These symbols are widely used in statistics to denote the average value of a set of data points.
The class midpoint
It is usually the midpoint of the class.
In statistics, this is the symbol for the "Variance"
Since this is regarding statistics I assume you mean lower case sigma (σ) which, in statistics, is the symbol used for standard deviation, and σ2 is known as the variance.
μ is the symbol for the population mean in statistics. fyi and related but not necessary for the above answer: the sample mean is , enunciated by saying "x" bar. hope this helped. Citation : http://en.wikipedia.org/wiki/Arithmetic_mean
a is used as a symbol to represent a variable.
The ohm symbol is used to represent resistance of a component or in a circuit
The symbol used to represent the word "which" is typically "?".
The symbol used in music to represent a rest is called a "rest symbol."
The symbol used to represent a nucleus is "Au", which is a combination of the atomic symbol and mass number.
Glucose can be written as C6H12O6.
The symbol that is used to represent a joule is the letter "J". This is a derived unit of energy. It can also be used to represent work, and an amount of heat.
A God's symbol is what is used to represent them.
The symbol 'u' is often used in place of the prefix 'micro-' in math and physics.AnswerThe symbol U is used to represent voltage. In this context, a lower-case 'u' represents an instantaneous AC voltage. In thermodynamics, it is used to represent internal energy.
The symbol is usually used with the number 3 to represent a heart. Similarly it can be used to point at things. For example, someone's avatar.
The symbol used to represent a triangle chord in geometry is typically denoted as "c".
The "#" symbol. (shift key + 3)