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Review: Multiplying each obs. by a CONSTANT results in new variance =

0 Lượt xem27/11/2023

COSTANT^2 old sample variance
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2:30

cách coi tiêu đề

Huy Thúy_1972Huy Thúy_1972

3 Lượt xem

A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...
1:23

A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...

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9 Lượt xem

If u=a+ib is a complex #, then complex conjugate of u*=a-ib. ...
5:03

If u=a+ib is a complex #, then complex conjugate of u*=a-ib. ...

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2 Lượt xem

1st/2 parts stat: SLR ∑ŷk = ∑yk where k=1,n
1:40

1st/2 parts stat: SLR ∑ŷk = ∑yk where k=1,n

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3 Lượt xem

review: prob stat Population variance vs sample variance
3:53

review: prob stat Population variance vs sample variance

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JEE Main integral x^2/(a+bx)^2 dx
3:54

JEE Main integral x^2/(a+bx)^2 dx

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Let B be the mx1 col. matrix [1/m ... 1/m]'. If A =[a1 ... am] is any row matrix. What is AB?
1:28

Let B be the mx1 col. matrix [1/m ... 1/m]'. If A =[a1 ... am] is any row matrix. What is AB?

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1 Lượt xem

U Penn: Evaluate trig integral ∫(sin^2(x) -cos^2(x))/(sin(x)-cos(x))^2 dx
1:02

U Penn: Evaluate trig integral ∫(sin^2(x) -cos^2(x))/(sin(x)-cos(x))^2 dx

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2nd way: ∫cos(x)/√(sin^2(x)+4sin(x)+3) dx
1:39

2nd way: ∫cos(x)/√(sin^2(x)+4sin(x)+3) dx

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AP Calculus 3rd way: exp integral 1/(1+e^x) dx [withOUT u-sub]
3:10

AP Calculus 3rd way: exp integral 1/(1+e^x) dx [withOUT u-sub]

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UT Austin: sq root integral ∫1/((√x) (1+ √x))dx
0:56

UT Austin: sq root integral ∫1/((√x) (1+ √x))dx

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8 Lượt xem

9Screen Recording 2023-12-07 at 1.54.08 AM
1:30

9Screen Recording 2023-12-07 at 1.54.08 AM

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JHU: integral ∫t^3 e^(t^2) dt
1:06

JHU: integral ∫t^3 e^(t^2) dt

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U Penn: Show that the following decomposition CANNOT hold ...
1:24

U Penn: Show that the following decomposition CANNOT hold ...

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Given that X Geo(p), find P(X=k) if
1:36

Given that X Geo(p), find P(X=k) if

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3rd way: trig log integral ∫(a+ln(sin(x))/tan(x) dx
1:30

3rd way: trig log integral ∫(a+ln(sin(x))/tan(x) dx

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A random variable X has the following parameters: E(X)=a & Var(X)=2a^2-1 a∈R
1:14

A random variable X has the following parameters: E(X)=a & Var(X)=2a^2-1 a∈R

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Find f'(x) in terms of g'(x)
4:27

Find f'(x) in terms of g'(x)

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integral ∫x^5 x^e dx vs ∫5^x e^x dx
1:27

integral ∫x^5 x^e dx vs ∫5^x e^x dx

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exp integral ∫1/(e^(2x) - 25) dx
1:39

exp integral ∫1/(e^(2x) - 25) dx

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