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}}

L13.7 Derivation of the Law of Total Variance

19,335 views

MIT OpenCourseWare

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

91%
  • 4:29 / 4:54

Speech Rate:

  • 146 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

derivation

/ˌderəˈvāSH(ə)n/

noun

action of deriving something from source.

squared

/skwerd/

adjective verb

marked out in squares. To multiply a number by itself, e.g. 2x2 or 6x6.

through

/THro͞o/

adjective adverb preposition

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

conditional

/kənˈdiSH(ə)n(ə)l/

adjective noun

Depending (on). Clause or sentence beginning with 'if' or 'unless'.

formula

/ˈfôrmyələ/

noun

mathematical relationship in symbols.

defined

/dəˈfīnd/

adjective verb

having definite outline or specification. To set or mark the limits of something.

intuition

/ˌint(y)o͞oˈiSH(ə)n/

noun

ability to understand something instinctively, without need for conscious reasoning.

calculated

/ˈkalkyəˌlādəd/

adjective verb

done with full awareness of likely consequences. To find an answer using mathematics.

expectation

/ˌekspekˈtāSH(ə)n/

noun

strong belief that something will happen.

ordinary

/ˈôrdnˌerē/

adjective noun

normal. what is commonplace or standard.

equality

/əˈkwälədē/

noun

state of being equal.

capital

/ˈkapədl/

adjective exclamation noun

Main, or major. expressing approval. Official main city of a country, province or state.

between

/bəˈtwēn/

adverb preposition

in space separating things. From one person, thing, or place, to another.

particular

/pə(r)ˈtikyələr/

adjective noun

Being special or more than is typical. individual item.

calculate

/ˈkalkyəˌlāt/

verb

To make an educated guess about something.

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