1 The bank may not pay from the customer's account without a mandate from the customer, e.g. a cheque drawn by the customer.  The bank agrees to promptly collect the cheques deposited to the customer's account as the customer's agent, and to credit the proceeds to the customer's account.
Population vs Sample. The main difference between a population and sample has to do with how observations are assigned to the data set. 1  A population includes all of the elements from a set of data.  A sample consists of one or more observations from the population.
Target population. - the specific pool of cases one wants to study. Sampling element. : is the unit of analysis or case in a population-can be a person, a group, an org, an arrest that is being measure. Sampling Frame: an actual list that includes every case in the population.