The topic of this thesis is application of statistics in quality control. In the first part of the paper, descriptive statistics are described. That is, grouping and graphical display of data, measures of central tendency and measures of dispersion. Discrete and continuous random variables and their distributions are also described. Furthermore, the application of statistics in the creation of control charts, as well as the division of control charts, is described. It is also described how control limits are calculated and how process capability is assessed. In the second part, the application of descriptive statistics is presented on an example and the creation of xs control charts for the endstop pin, as well as the calculation of the assessment of the process capability. In the third part, the results of calculation of the control limits, as well as the calculation of the assessment of process capability are analyzed.