Question

$\frac{\sum x}{n}$, the sum of all the data items divided by the number of data items, is the measure of central tendency called the midrange mode median mean

Explanation:

The formula $\frac{\sum x}{n}$ represents the calculation of the mean. The mean is calculated by summing all data items ($\sum x$) and dividing by the number of data items ($n$). Other measures like midrange, mode, and median have different calculation methods.

Answer:

mean