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.
What is a stale check? Quick Answer. A stale check is one that is presented for payment six months or more past the date on its face. Banks are under no obligation to cash a stale check unless it is a certified check; however, the institution can cash the instrument if it appears to be a payment made in good faith. Each financial institution may have its own policy on whether to pay or decline these checks.