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.
These checks are dated between August 1 and August 31, 2009 and the current date is May 15, 2010. The payment date for these checks is over six months old. If Raw Material Services, Inc. elects to deposit the checks at their bank, they will be classified as stale checks or stale dated checks.he bank receiving a stale check can return the check to the paying bank marked unpaid, request a new check be issued or consult with the person who wrote the check. For example, XYZ Company submitted a series of checks to Raw Material Services, Inc. to pay for supplies necessary for manufacturing and production.