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L12.7 The Variance of the Sum of Random Variables

20,699 views

MIT OpenCourseWare

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

91%
  • 5:07 / 5:36

Speech Rate:

  • 133 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

rearrange

/ˌrēəˈrān(d)ZH/

verb

change position of.

together

/təˈɡeT͟Hər/

adjective adverb

self-confident, level-headed, or well organized. In an entire or whole manner.

variables

/ˈverēəb(ə)l/

noun other

element, feature, or factor that is liable to vary or change. Mathematical quantities with several values.

expected

/ikˈspektəd/

adjective verb

regarded as likely. To believe something is probably going to happen.

expectation

/ˌekspekˈtāSH(ə)n/

noun

Belief or hope that something is going to happen.

happens

/ˈhapən/

verb

To take place or occur.

negative

/ˈneɡədiv/

adjective exclamation noun verb

Being harmful, unwanted or unhelpful. no. Reply to a question or statement that means 'no'. refuse to accept.

variance

/ˈverēəns/

noun

fact or quality of being different or inconsistent.

calculate

/ˈkalkyəˌlāt/

verb

To make an educated guess about something.

covariances

/ˌkōˈverēəns/

noun other

property of function of retaining its form when variables are linearly transformed. .

interested

/ˈintrəstəd/

adjective verb

showing curiosity or concern about something or someone. To make someone want to know about something.

situation

/ˌsiCHəˈwāSH(ə)n/

noun

An unexpected problem or difficulty.

difference

/ˈdif(ə)rəns/

noun verb

A thing or issue that people do not agree about. alter coat of arms.

quadratic

/kwäˈdradik/

adjective noun

involving second and no higher power of unknown quantity. quadratic equation.

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