Question

the concept of standard deviation was introduced by​

Answer 1

Step-by-step explanation:

Description: The concept of Standard Deviation was introduced by Karl Pearson in 1893. It is by far the most important and widely used measure of dispersion

Answer 2

Answer:

The concept of standard deviation was introduced by karl Pearson in 1893.

Explanation:-

in 1893, the great Karl Pearson introduced the term "standard deviation" for what had been known as "Root mean square error".