(3) Statistics helps in collecting appropriate quantitative data. Statistics has patently two broad functions. (5) Statistics helps in understanding the nature and pattern of variability of a phenomenon through quantitative obersevations.
Scientific, social and economic studies use statistics in one form or another. This makes the problem intelligible.Statistics simplifies the complexity of data. Statistical techniques are used for predicting the future values of a variable. So statistics examines the truth and helps in innovating new ideas.Statistics helps in formulating plans and policies in different fields.
Similarly, the planners can forecast the future population etc. Our mission is to liberate knowledge. 5.
Statisticians have defined the term in different ways.
So that the score 65 has a frequency of 8. 7. Statistical methods tell about how much margin of error to allow in making predictions.
In this process we obtained scores and then interpret these score in order to take decisions. The Functions Performed by Statistics are given as under: Functions of Statistics: 1. For example a producer forecasts his future production on the basis of the present demand conditions and his past experiences. Statistics studies almost all aspects in an enquiry. Any trait or quality which has the ability to vary or has at least two points of measurement.
In this series it is not possible to occur at any intermediate value within the range.
Presents facts in. Statistics helps the teacher to give an accurate description of the data.
The reason why a particular student performs poor in a particular subject are varied and many. So to determine the efficiency of any measure comparison is necessary. Correlation means the interdepended between two or more random variables. It condenses the whole mass of figures into a single figure. using statistics and statistical methods.
These disciplines make-use of observations, facts and figures, enquiries and experiments etc. considering the present population trends.Statistical methods mainly aim at deriving inferences from an enquiry. The term statistic is used both for the function and for the value of the function on a given sample. ‘Statistics are the classified facts representing the conditions of the people in a state especially those facts which can be stated in numbers or in tables of numbers of in any tabular or classified arrangements. Some such commonly used measures are graphs, averages, dispersions, skewness, kurtosis, correlation and regression etc.
When a statistic is being used for a specific purpose, it may be referred to by a name indicating its purpose. It helps the teacher to make the data precise and meaningful and to express it in an understandable and interpretable manner. Statistics Canada (StatsCan): Canada's government agency responsible for producing statistics for a wide range of purposes, including the country's …
It helps to study the relationship between different phenomena. Ans:- STATISTICS-Statistics, the scientific discipline that deals with the collection, classification, analysis, and interpretation of numerical facts or data, was invented primarily in the nineteenth and twentieth centuries in Western Europe and North America.
simple form: Statistics presents facts and figures in a definite form.
The first of these functions is description and the summarizing of information in a manner so as to make it more usable. All the articles you read in this site are contributed by users like you, with a single vision to liberate knowledge.Before publishing your Article on this site, please read the following pages:PreserveArticles.com is a free service that lets you to preserve your original articles for eternity.
Continuous series is a series of observations in which the various possible values of the variable may differ by infinitesimal amounts.
Without a statistical study, our ideas would be vague and indefinite.
Statistical purposes include estimating a population parameter, describing a sample, or evaluating a hypothesis. It provides basis and techniques for making comparison. But the prediction may be erroneous due to different factors. Statistical analysis of data forms the beginning of policy formulations. Statistical techniques are often used by scholars planners and scientists to evaluate different projects.
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