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CLASS 9 ,10 CO-RELATION AND REGRESSION (co-relation model exampels:…
CLASS 9 ,10 CO-RELATION AND REGRESSION
every equation=mathematical model
There are 2 parts of equation
left side = dependent variable, right side =independent variable
Economic growth=1.5 edu+1.97 electricity-0.5 terrorism
rise in edu, will inc eco growth
education,eco growth= + relation
improvement in electricity provision,rise eco grwth
electricity,eco grwth= + relation
decline in terrorism,will inc eco grwth
t
er,eco grth= - relation
f
or economic growth , edu, electricity and terrorism are main indicator
we see natural behavior of correlation
sometime results not occur a/c to natural behaviour
srilanka literacy rate=94% but no development
co
-relation model exampels:
better transportation= rise in development
good leadership= + relation with development
fitness= + relation with daily exercise
standard of living= + relation with income