Customer

It is clearly established that the word “customer” generally denotes a relationship resulting from habit or continued dealings, but for a bank customer this habit of dealing is not essential. The person who has an account with a bank is known as an account holder or customer of that bank.

According to Lord Lindly:
“A customer is a person who has some sort of account, either deposits or current account or same other relationship with a banker.”

According to Dr. Hart:
“A customer is one who has an account with a banker or for whom a banker habitually undertakes to act as such.”

What is Statistics?

Nowadays, the word statistics is defined in the following two senses:
1) In Singular Sense and
2) In plural Sense

In Singular sense it is defined as the "Body of Methods" consisting Collection, Presentation, Analysis and interpretation of Numerical facts or Data.

In Plural sense, it is always defined as the "Aggregate of Numerical Facts". For example, statistics of prices, statistics of wages, statistics of weights, statistics of births and deaths, statistics of males and females, etc.

Aggregate of Numerical Facts are also called "Statistical Data."