A normal distribution with a mean of 0 and a standard deviation of 1 is called a standard normal distribution. Areas of the normal distribution are often represented by tables of the standard normal distribution.f all the values in a distribution are transformed to Z scores, then the distribution will have a mean of 0 and a standard deviation of 1. This process of transforming a distribution to one with a mean of 0 and a standard deviation of 1 is called standardizing the distribution.
According to the United Nations Statistics Division, wholesale is the resale of new and used goods to retailers, to industrial, commercial, institutional or professional users, or to other wholesalers, or involves acting as an agent or broker in buying merchandise for, or selling merchandise to, such persons or companies.
Retail vs Wholesale . The difference between retail and wholesale has to do with the quantity of the product each sell and to whom they sell. Wholesale is the vital link between manufacturers and the end consumers. It is the presence of wholesalers that lets manufacturers breathe a sigh of relief as they can sell their entire lot that they have manufactured in one go to a person and get back to business and production.