Ilanguage.top

The mean is the arithmetic average of a data set. To calculate the mean, add up the values and divide by the number of values.The sample mean is the arithmetic average of a sample, and is denoted xฬ„ (โ€œx-barโ€). The population mean is the arithmetic average of a population, and is denoted ๐œ‡ โ€ฆ ................
................