Úrtaksmeðaltalið
Úrtaksmeðaltalið, also known as the "sample mean" in English, is a fundamental concept in statistics that represents the average value of a set of data points, known as a sample. It is calculated by summing all the values in the sample and then dividing by the number of values in the sample. The formula for the sample mean is:
where x̄ is the sample mean, x1, x2, ..., xn are the individual data points, and n is
The sample mean is a measure of central tendency, providing a single value that represents the center
However, it is important to note that the sample mean is an estimate of the population mean,
In addition to the sample mean, other measures of central tendency, such as the median and mode,