An analyst records the Top 800 businesses in world and codes them by the type of industry they are in. Below is a selection of these showing their corresponding codes
Finance - 1
Food - 2
Health - 3
Insurance - 4
Retailing - 6
Defence - 11
Capital Good - 14
Computers - 16
Entertainment - 17
This is the releveant histogram
Q - what accounts for the gaps seen and what advice would you give to the analyst about the appropriateness of this display.
Because the data is catergorical the x-axis needs more detail if the histogram is any use at all. It is nearly impossible to locate each industry indicator.
Given how badly the x-axis is organised it is difficult to suggest exactly why these gaps are seen or what they mean.