Theory of Attributes- Basic concept and their applications: ATTRIBUTES: Literally, an attribute means a quality or characteristic.Theory of attributes deals with qualitative characteristics which not amenable to quantitative measurements are and hence need slightly different statistical treatment from that of the variables. Examples of attributes are drinking,smoking, blindness, health, honesty, etc. An attribute may be marked by its presence (possession) or absence (dispossession) in member of given population. It may be pointed out that the methods of statistical analysis applicable to the study of variables can also be used to a great extent in the theory of attributes and vice-versa. For example, the presence or absence of an attribute may be regarded as changes in the values of a variable which can possess only two values, viz., 0 and 1. NOTATIONS: Suppose the population is divided into two classes according the to...
Q.1 Vital statistics is mainly concerned with : (a) births (b) deaths (c) marriages (d) all the above Q.2 Population statistics mainly display the records the pertaining to: (a) foetal deaths (b) population of regions (c) morbidity (d) all the above Q.3 Complete count of the heads of people of a country is known as: (a) census (b) vital statistics (c) demography (d) none of the above Q. 4 Vital statistics throws light on: (a) changing pattern of the population during intercensal period (b) virility of races (c) growth of population (d) all the above Q.5 The registration of births, deaths and marriages are: (a) a fancy of society (b) a part of medical research (c) a legal document (d) all the above Q.6 Vital statistics is greatly utilised by: (a) acturies (b) planners (c) social reformers (d) all the above Q.7 In India, the collection of vital statistics started for the first times in: (a) 720 (b) 1886 (c) 1969 (d) 1946 Q. 8...
Basic tools used in a population studies: · Count · Rate · Ratio · Proportion · Cohort Measure · Period Measure These tools are used to explain the spatial variations in the nature of population of any given place. Sources of Population Studies The sources of data used in population studies are: Quantitative data: Quantitative data are expressed in numbers, For example: Height, Weight and Total population. Qualitative data : Qualitative data refers to categorized data / non-numric data, for example: sex (male or female), social status (rich or poor) etc Population Census The United Nations defines the population census as: ‘‘Total pro...
Comments
Post a Comment