Sigma

What is the meaning of the word 'sigma' in the context of the Greek alphabet?

• A letter

• A number

• A symbol

• A punctuation mark

In English grammar, which of the following sentences uses the word 'sigma' correctly?

• The sigma of the story was thrilling.

• She wore a sigma dress to the party.

• Sigma is the 18th letter of the Greek alphabet.

• He sigmaed the document.

Which of the following words is a synonym for 'sigma' when used in mathematics?

• Sum

• Difference

• Product

• Quotient

Identify the sentence that uses 'sigma' as a metaphor.

• The sigma of the equation was incorrect.

• He was the sigma of the team, holding everyone together.

• Sigma is a Greek letter.

• The sigma notation was confusing.

What part of speech is 'sigma' when used in the sentence: 'Sigma is often used in mathematical equations'?

• Noun

• Verb

• Adjective

• Adverb

Which sentence correctly uses 'sigma' in a literary context?

• The sigma of the novel was unexpected.

• She sigmaed the poem beautifully.

• His sigma was evident in his writing style.

• Sigma is a common theme in literature.

In which context is 'sigma' most likely to be used?

• Mathematics

• Cooking

• Music

• Art

Which of the following is an example of 'sigma' used in a sentence about teamwork?

• The sigma of the group was their shared goal.

• Sigma is a letter in the Greek alphabet.

• He calculated the sigma of the series.

• The sigma was misplaced in the equation.

What is the primary function of 'sigma' in mathematical notation?

• To indicate summation

• To denote subtraction

• To represent multiplication

• To show division

Which of the following sentences uses 'sigma' in a scientific context?

• The sigma of the experiment was conclusive.

• Sigma is a Greek letter.

• He wore a sigma lab coat.

• The sigma was used to measure the results.