25:46

Graph Coloring

37:41

Graph Theory and Euler Graphs

33:16

Frequency Distribution Table and Measures of Central Tendency

13:18

Measures of Other Location

41:36

Bragg’s Diffraction Law | Laue Method | Your Ready Exam. Answer Paper | X-ray | Crystal

17:36

UPC and EAN Codes

19:03

Measures of Variability or Dispersion

26:43

Correlation and Regression Analyses (concept link is in the description box)