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# Statistics: Correlation Between Two Events

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Research has shown that the people often see a correlation between two events when one does not really exist. Why do you think this happens? Can you think of at least two situations in which this should not occur and at least two situations in which it is more likely to occur?

https://brainmass.com/statistics/correlation/statistics-correlation-between-two-events-524491

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Sometimes it happens that the correlation exists between two variables when it really does not hold true - it is only due to the data. Statistics can calculate the correlation between any two variables. Wherever there is data, we can calculate statistics based on that. Suppose there are two variables such as your blood pressure and weight of your car, you can find the correlation between these two variables but it does not make any sense to compare the two variables. This calculation can give you some statistical value but the actual relationship does not really exist. So we need to be very careful when we are performing any analysis.

Another situation we can think of is the salary of your neighbor and expenditure of your family, there should not be any correlation between these two variables.

Two situations where a correlation may actually exist:
The weight and height of an individual are the two variables which are suitable for the calculation of correlation.
The other situation for correlation is expenditure and income of your family in a year.

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