YOUR
INVISIBLE TUTOR:
You are welcome, First
of all, lets introduce what the course statistics is, throughout this month, we
shall be treating the introductory part of this wonderful course, always check
back for next topic.
Uses of statistics
1. To present data in a
concise and definite form: statics helps in classifying and tabulating raw data
for processing and further tabulation for end users.
2. To
make it easy to understand complex data: This is done by presenting the data in
the form of tables, graphs, diagrams, etc, or by condensing the data with the
help of means, dispersion, etc.
3. For
comparison: tables, measures of means and dispersion can help in comparing
different sets of data.
4. In
forming policies: It helps in forming policies, like a production schedule,
based on the relevant sales figures. It is used in forecasting future demands.
5. Enlarging
individual experiences: complex problems can be well understood by statistics,
as the conclusions drawn by an individual are more definite and precise than
mere statements of facts.
6. In
measuring the magnitude of a phenomenon: Statistics has made it possible to
count the population of a country , the industrial growth, the agricultural
growth, the educational level in numbers.
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