Presentation of Data — Economics STD 11 Commerce — Question

1. On the basis of construction:

Simple table: It is a table which reflects only one variable at a time. It is very simple to draw. It is also called one-way table. Its example is given below:
Number of Employees in an organization according to age Group

Age (in Year)	No. of Employees
Below 25	50
25-35	67
35-45	43
45-55	15
5 and above	5
Total	180

1. Complex tables: It is a table which represents two or more variables in one table. It may be two way or three way or more than type of variables.

1. Two-way table: It represents two variables. An example of two way table is given below:

Tables showing grades of boys and girls of class

	Grade
	A	B	C	Total
Boys	13	25	11	49
Girls	7	20	6	33
Total	20	45	17	82

2. Three-Way Table gives information regarding three mutually dependent and inter-related questions. For example, from one-way table, we get information about age, and from two-way iable, we get information about the number of male and female available in various grades. A three way table is showing.

• Population in various division.
• Their sex-wise distribution
• Their position of literacy.

Division	Three-Way Table
	Population (Millions)
	Male			Female			Tatal
	Litrarate	Illiterate	Total	Literate	Illiterate	Total	Literate	Illiterate	Total
Delhi
Mumbai
Chennai
Kolkata

3. Higher Order Tables: Manifold (or Higher Order) Table: Such tables provide information about a large number of interrelated characteristics in the data set.

State	Neonatal Mortality			Post-neonatak Mortality			Child Mortality (12-47 months)
	Male	Female	F/ M ratio	Male	Female	F/ M ratio	Male	Female	F/ M ratio
Northern region
Delhi	36.2	30.3	0.83	24.1	34.1	1.41	13.6	21.2	1.56
Haryana	47.1	37.6	0.80	28.8	45.9	1.59	18.4	34.2	2.34
Hinmachal Pradesh	41.6	34.4	0.83	25.6	28.5	1.11	17.6	25.3	1.44
Punjab	32.9	27.0	0.82	22.8	22.1	0.97	12.7	23.0	1.81
North-central region
Bihar	64.0	50.0	0.78	37.3	42.4	1.13	34.5	53.5	1.55
Madhya Pradesh	63.1	49.5	0.78	36.5	43.4	1.19	46.7	56.8	1.22
Rajansthan	43.3	42.0	0.97	31.3	37.5	1.20	26.5	42.2	1.59
Uttar Pradesh	71.1	68.3	0.96	41.5	51.6	1.24	38.5	65.5	1.70
Eastern region
Assam	63.0	47.9	0.76	37.9	36.4	0.96	52.9	59.6	1.13