Q.Assertion (A) : The power of a statistical test is the probability, given that null hypothesis is false, of obtaining sample results that will lead to its rejection. Reason (R) : The larger the sample size, the greater is the power of the statistical test.
Correct answer: Both (A) and (R) are correct.
Explanation
The power of statistical test is the probability of a hypothesis test of finding an effect. The larger the sample size, the greater is the power of the statistical test.
The power of statistical test is the probability of a hypothesis test of finding an effect. The larger the sample size, the greater is the power of the statistical test.