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Range, variance and standard deviation as measures of dispersion | Khan Academy

2,057,508 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

98%
  • 12:23 / 12:34

Speech Rate:

  • 163 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

between

/bəˈtwēn/

adverb preposition

in space separating things. at, into, or across space separating things.

estimate
noun verb

approximate calculation. roughly calculate.

negative

/ˈneɡədiv/

adjective exclamation noun verb

In mathematics, being less than zero. no. Image on camera film used to make a photo. refuse to accept.

central

/ˈsentrəl/

adjective noun

Being in the middle. place with high concentration of specified type of person or thing.

tendency

/ˈtendənsē/

noun

Likelihood to behave in a particular way.

represent

/ˌreprəˈzent/

verb

To depict art objects, figures, scenes; to portray.

average

/ˈav(ə)rij/

adjective noun verb

constituting result found by dividing total amount. Total of numbers divided by the number of items. amount to or achieve as average rate or amount over period of time.

further

/ˈfərT͟Hər/

adjective adverb conjunction verb

Extra; in addition. A greater distance; at a more distant point. (Used to introduce an additional point); also. To help to happen or develop; promote.

assuming

/əˈso͞omiNG/

adjective conjunction verb

arrogant or presumptuous. used for purpose of argument to indicate premise on which statement can be based. To act in a false manner to mislead others.

population

/ˌpäpyəˈlāSH(ə)n/

noun

Number of people who live in a country, area etc..

difference

/ˈdif(ə)rəns/

noun verb

way people or things differ. alter coat of arms.

measures

/ˈmeZHər/

noun other verb

plan or course of action. Plan to achieve a desired result. determine size or amount.

calculate

/ˈkalkyəˌlāt/

verb

To make an educated guess about something.

arithmetic
adjective noun

relating to arithmetic. branch of mathematics.

dealing

/ˈdēliNG/

noun verb

business relations or transactions. To give out (cards, etc.) to; distribute.

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