Vocabulary Entry

sigma

|noun • verb

noun

The 18th letter of the Greek alphabet, often used to represent sums or the concept of 'sum' in mathematics.

Example Sentences

"In statistics, the symbol sigma is used to denote the standard deviation."

"The formula for the area of a circle often includes the symbol sigma to represent the sum of the radius squared."

"During the lecture, the professor explained how to calculate sigma in various statistical models."

verb

Example Sentences

"You should sigma all the relevant data before making your final decision."

"In your calculations, make sure to sigma every component to get the accurate total."

"The team decided to sigma their findings in the report for clarity."