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.
A distributor is a business that exists between the manufacturer and wholesale trader. The distributor purchases products from the manufacturer in very large quantities. The products are then sold to wholesale trade firms, who then move the merchandise to their clients.