HISTOGRAM, Meaning of histogram
Histogram is a graphical representation of frequency distribution. It is made up of a set of rectangles that have their bases on the horizontal axis, i.e. X – axis, and their frequency on the vertical axis, Y – axis. They also have their rectangles at the centre on the class mark (i.e mid point) of each interval.
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HOW TO DRAW A HISTOGRAM
The areas of the rectangles are proportional to the class frequencies. In drawing a histogram, there is no gap or space between two bars, unlike the bar chart.
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EXAMPLE OF THE USE OF HISTOGRAM
A farmer harvested 60 tubers of yam for eight days. The number of yam harvested per day is shown in table 2.9. Draw a diagram to represent the information.
Table 2.9: Number of tubers of yam harvested in a farm.
| No. of days | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Tubers of yam | 4 | 12 | 7 | 20 | 2 | 9 | 1 | 5 |
- public enterprises
- private enterprises
- limited liability companies
- migration
- population
- market concept
- money market
- shares
- how companies raises funds for expansion
WEED AND THEIR BOTANICAL NAMES
1. ENVIRONMENTAL FACTORS AFFECTING AGRICULTURAL PRODUCTION
2. DISEASES
3. 52. SOIL MICRO-ORGANISMS
4. ORGANIC MANURING
5. FARM YARD MANURE
6. HUMUS
7. COMPOST
8. CROP ROTATION
9. GRAZING AND OVER GRAZING
10. IRRIGATION AND DRAINAGE
