Research and statistical analysis help us understand how the world works, how effective medications and treatments are, what influences our health, the best approach for business practices, and much ...

Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics. It is most often used by researchers to test predictions, called hypotheses. The first step in ...

Researchers design studies that might disprove what’s called their null hypothesis – the opposite of the claim they’re ...

The paper carries out a number of tests of the unit-root hypothesis on 13 Indian annual macroeconomic time series to see how robust is the hypothesis to alternative testing procedures. The null ...