Power is the probability that a study will reject the null hypothesis. The estimated. probability is a function of sample size, variability, level of significance, and the. difference between the null and alternative hypotheses. Similarly, the sample size. required to ensure a pre-specified power for a hypothesis test depends on variability, level of significance, and the null vs. alternative difference.
Nature of stale check. Stale check is a check that is presented to be cashed or deposited at a bank six months or more after the date it was written.
Updated January 04, 2017. A voided check is a check that has the word âVOIDâ written across the front of the check. The check can be blank or partially written, and the word âVOIDâ indicates that the check should not be accepted for payment.