Читать книгу Introduction to Statistical Process Control - Muhammad Amir Aslam - Страница 19

The weights of nine items selected from the assembly line are given as

24.3, 24.9, 23.6, 25.1, 26.7, 22.0, 21.8, 23.4, and 20.8. Calculate median of the weights.

Arranging the values in ascending order

20.8, 21.8, 22.0, 23.4, 23.6, 24.3, 24.9, 25.1, and 26.7.

In case of even number of observations, the median is defined as the mean of the two most middle values.