By Levels

Library

EXP: 08888
HITS: {{lyricTraining.hits}}888
STREAKS: {{lyricTraining.streaks}}888
TIME: {{lyricTraining.timeout / 1000}}88
{{word.word}}

{{cue.translated_text}}

{{lyricTraining.hint}}

x{{playblackSpeed.toFixed(2)}}

Loading ..

Not Found

{{annotation.word}} ({{annotation.pos_simplify}})

/{{annotation.phonetic}}/

{{annotation.translation}}

{{annotation.name}}

{{annotation.sub_type}}

{{annotation.definition}}
Back

Games & Quizzes

Training Mode - Typing
Fill the gaps to the Lyric - Best method
Training Mode - Picking
Pick the correct word to fill in the gap
{{game.name}}
{{game.description}} Requires {{game.required_annotions}} vocabulary annotations

Congratulations! You gained {{totalPoint}} XP

You may need to watch a part of the video to unlock quizzes

Don't forget to Sign In to save your points

Repeat Skip ({{game.question_index}}/{{game.questions.length}})
{{part}}
Repeat Skip ({{game.question_index + 1}}/{{game.questions.length}})
{{choice.text}}
{{choice.text}}

Make correct pairs from two columns

{{lyricTraining.finished && lyricTraining.timed_out ? 'Timed Out' : 'Challenge Accomplished'}}

PERFECT HITS {{lyricTraining.stats.PERFECT_HITS}} +{{lyricTraining.stats.PERFECT_HITS * 20}}
HITS {{lyricTraining.stats.HITS}} +{{lyricTraining.stats.HITS * 10}}
LONGEST STREAK {{lyricTraining.stats.LONGEST_STREAKS}} +{{lyricTraining.stats.LONGEST_STREAKS * 10}}
REMAINING TIME {{lyricTraining.timeout / 1000}}s +{{lyricTraining.timeout / 1000}}
TOTAL +{{lyricTraining.exp}}
{{word.word}} - {{dictionary.definition[0].phonetic || ("/" + dictionary.phonetics +"/")}} - {{word.translation}}

We couldn't find definitions for the word you were looking for.
Or maybe the current language is not supported

{{simpleDefinition.pos}}

{{simpleDefinition.def}}

{{word.word}}

Sentences & parts of speech:

  • {{tag.normal}} {{tag.pos_name}}

  • {{c.startTime | duration}}


    {{c.translated_text}}

All {{pos.pos_simplify}}
{{a.word || a.name}}
/{{a.phonetic}}/
{{a.type || a.sub_type}}
{{a.translation}} 		{{a.definition}}

Variance and standard deviation of a discrete random variable | AP Statistics | Khan Academy

233,768 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

79%
  • 5:06 / 6:25

Speech Rate:

  • 164 wpm - Fast

Category:

  • Education

Tags :

Intro:

Special thanks to The Free Dictionary for providing us with the information used in this web page

Video Vocabulary

calculated

/ˈkalkyəˌlādəd/

calculated
adjective verb

done with full awareness of likely consequences. To make an educated guess about something.

various

/ˈverēəs/

various
adjective determiner pronoun

different from one another. more than one. more than one.

discrete

/diˈskrēt/

discrete
adjective

individually separate and distinct.

standard

/ˈstandərd/

standard
adjective noun

Being the accepted normal level of quality. level of quality or attainment.

variable

/ˈverēəb(ə)l/

variable
adjective noun

Having the ability to change or vary. Mathematical quantity with several values.

expected

/ikˈspektəd/

expected
adjective verb

Believing something will probably happen. To believe something is probably going to happen.

measuring

/ˈmeZH(ə)riNG/

measuring
adjective verb

denoting instrument or device used to ascertain size of something. To calculate size, weight or temperature of.

variance

/ˈverēəns/

variance
noun

fact or quality of being different or inconsistent.

population

/ˌpäpyəˈlāSH(ə)n/

population
noun

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

probability

/ˌpräbəˈbilədē/

probability
noun

What the chances are that something will happen.

parallels

/ˈperəˌlel/

parallels
noun verb

person or thing similar to another. be parallel to.

previous

/ˈprēvēəs/

previous
adjective

Existing or happening before the present time.

defined

/dəˈfīnd/

defined
adjective verb

having definite outline or specification. To explain the meaning of words.

Q
W
E
R
T
Y
U
I
O
P
A
S
D
F
G
H
J
K
L
Z
X
C
V
B
N
M