prob stat: 2 formula for sample variance

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4 ways: sum Find the sum of the values of 4+3i for i=1,2,...,100

8:07

4 ways: sum Find the sum of the values of 4+3i for i=1,2,...,100

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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"

5:18

Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"

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integral ∫ x dx withOUT using Power rule.

1:32

integral ∫ x dx withOUT using Power rule.

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prob stat: One sample of n=4 scores has a mean of M=10, &

5:14

prob stat: One sample of n=4 scores has a mean of M=10, &

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3 picture views of the sum ... 1+2+3+...+n

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3 picture views of the sum ... 1+2+3+...+n

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Screen Recording 2023-12-30 at 9.34.01 PM

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Screen Recording 2023-12-30 at 9.34.01 PM

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1st/3parts: Mean of 1,2,3,...,n SAME as Mean 1,n

4:35

1st/3parts: Mean of 1,2,3,...,n SAME as Mean 1,n

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Solve x(x-1)dy/dx - (x-2)y=x^3(2x-1) via Integrating Facto[IF]

5:49

Solve x(x-1)dy/dx - (x-2)y=x^3(2x-1) via Integrating Facto[IF]

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Prove the slope-intercept formula by using the slope formula for the line that has slope m, ...

2:16

Prove the slope-intercept formula by using the slope formula for the line that has slope m, ...

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3rd/3ways: trig integral ∫sec(x) dx

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3rd/3ways: trig integral ∫sec(x) dx

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2 ways: diff eq Solve dy/dx=y-1

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2 ways: diff eq Solve dy/dx=y-1

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Diff Eq: Solve sec(x) dy/dx=y+sin(x) via Integrating factor [IF]

3:51

Diff Eq: Solve sec(x) dy/dx=y+sin(x) via Integrating factor [IF]

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exp integral ∫(e^x +1)^3 dx

2:37

exp integral ∫(e^x +1)^3 dx

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OSU Math 1151 Practice3: Compute the derivative.

7:17

OSU Math 1151 Practice3: Compute the derivative.

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DEVIL MAY CRY SEASON 1-EPISODE 2 [OUR LADY OF SORROWS]

30:00

DEVIL MAY CRY SEASON 1-EPISODE 2 [OUR LADY OF SORROWS]

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3 ways: exp trig Differentiate the function a^sin(√x)

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3 ways: exp trig Differentiate the function a^sin(√x)

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prob stat In a sample of n= 6 scores, 5 of the scores are each above the mean by one point.

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prob stat In a sample of n= 6 scores, 5 of the scores are each above the mean by one point.

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1st/2ways: Taylor series of sin(x)

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1st/2ways: Taylor series of sin(x)

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prob stat: 1st/2 parts. One sample has a mean of M=6 &

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prob stat: 1st/2 parts. One sample has a mean of M=6 &

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2 ways: trig exp derivative e^(sin(x)) sin(e^x)

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2 ways: trig exp derivative e^(sin(x)) sin(e^x)

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