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vocaboo
Bêta

sigma

Prononciation : [ˈsɪɡmə]

Mot

Comment utiliser sigma dans une phrase : 3 sens et 9 exemples audio.

Contexte : « mathematics »

(noun) the Greek letter 'Σ' used to represent the sum of a series of numbers. In math, it's like a symbol that tells you to add things together.

Exemple

In our math class, we used sigma to find the total of all the numbers in our homework.

Exemple

We couldn't use sigma if we were only multiplying the numbers, not adding them.

Exemple

What does the sigma symbol mean in this equation?

Contexte : « statistics »

(noun) a symbol that represents standard deviation, which tells us how spread out the numbers are in a data set. It helps us understand if the numbers are close to the average or not.

Exemple

The sigma value showed that most of the scores were pretty close to the class average.

Exemple

If the sigma is too high, that means the scores are not close to each other at all.

Exemple

Why is sigma important when analyzing the data?

Contexte : « science »

(noun) a term that can describe a particular value or concept in different scientific contexts, often used to represent certain standards or measurements.

Exemple

In chemistry class, we learned about sigma bonds, which are important in forming molecules.

Exemple

A bad experiment didn’t show any clear sigma measurements, making it hard to draw conclusions.

Exemple

What is the role of sigma in the experiment we conducted?

Comment prononcer sigma

Prononciation : [ˈsɪɡmə]

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