Question

what are the uses of sigma

Answer 1

Sigma is the 18th letter of the Greek alphabet and is equivalent to our letter 'S'. In mathematics, the upper case sigma is used for the summation notation. The lower case sigma stands for standard deviation. Each has its own unique formula, and yes, both the upper case and lower case look vastly different from each other.



Neither of them looks like our letter 'S', but they are both the Greek equivalent of it. If you notice, the two formulas that use these two symbols both start with the letter 's'.

Answer 2

please mark me brainiest if the answer helps you