Chi-square tests are used for hypothesis testing regarding testing association/dependence between which kind of variables? categorical variable x categorical variable numerical variable x categorical variable numerical variable x numerical variable

Q: 5. Ф(41) Answer: Show your work or explain your reasoning here:

A: We want to calculate ϕ(41)

Q: 7. Find. V2x dx - 1

A:

Q: 1.) y = 2x + 3

A: y = 2x + 3

Q: 2. Find the value of x. 3x +7+ V2x +6 = v11- 5x

A: The given equation is: 3x+7+2x+6=11-5x Now square the above equation on both sides,…

Q: b.) (x +3) : =(x +2) %3D 215

A: Here we have to find the value x=?  13x+3=25x+2

Q: hy is x1 a free variable, and why does it become equal to 1?

A: We obtained x=x100 where x1 is free variable. by the way we haven't assigned any value for x1 here ;…

Q: dz 6. [0]. z-a

A:

Q: 4. J da 4 4 (a²-3)

A:

Q: 6) n - 3 = V 44 – 4n

A:

Q: 3/2 x*(G²- x²) %z

A: …

Q: factor. .63. —2г1 + х .65. у(у — 6) + 9(у - 6)

A: GCF of the terms= x  So we factor out x

Q: 1 6. V1+ Vrdx 0,

A: Step: 1 Given that  ∫011+xdxTake y=∫011+xdx---(1) let 1+x=t⇒x=t-1---(2)differentiating on both…

Q: 3. Ф(36) Answer: Show your work or explain your reasoning here:

A:

Q: (8) y=x +5 -6 -5 -2

A:

Q: 1 3 4 -3 -6 -7 A = %3D 3 3 -4 -5 -3 9

A:

Q: Direction: whether is a quadratic function or not. Each quadratic function is expressed as an…

A: From the given table y=x-2 The above equation represents line. So it is not a quadratic function.…

Q: 3) x-4y 8 3

A: x-4y=8 is shown by red graph y =x/4 + 3 is shown by blue graph. From the graph , both the lines are…

Q: 6. + 6x) + (In x - 2)y' = 0

A: Given : yx+6x+(lnx-2)y'=0

Q: 22. 2e' dt 2t

A:

Q: 25 2) V1x-91

A: To evaluate first: ∫dx|x-9| Assume the positive factors and multiply the correction factors:…

Q: oy=x²+6x+ 5 a = %3D %3D %3D

A:

Q: 3 3 + x dx

A:

Q: 2. Ф(24) Answer:

A: We want to find ϕ(24)

Q: Q1. a. Calculate L b. Calculate L 1 S s³ +4s²+3s, 5s s²+4s+4

A:

Q: 9. 5 3 2 S 2 3 S ds

A: Given integration is ∫5s23+2s3 ds We have to solve the integration. Needed formulae:…

Q: 5. (2x + 3V )dx 2х + 3уx

A:

Q: 6. Given i [2, – 5]and i = [-7,2] find a. 5ū

A: Topic = Vector

Q: In Exercises 11-16, describe the set in cylindrical coordinates.

A: To describe the set given by the equation y2+z2≤4, x=0 in cylindrical coordinates, we need to use…

Q: -x+3+y=2x+3,y+4=3x

A: there exit no solution,for x and y

Q: 2ェ+ 3z d 平

A: We can find the integration as below

Q: 5. If the bridge toll for one car is d dollars, in terms of d and c, what is the total cost in…

A: Given that Bridge toll for 1 Car is   d dollars  then Bridge toll for c cars is cd dollars

Q: 6. sec²(3x) – V8 W%3= 6x +9 0.

A:

Q: 5. Solve xdx + ydy = xdy – ydx %3D |

A: Introduction :

Q: 3x 4x 1.

A: We have to find the value of x

Q: 3. -6.3 - (-2.7) = %3D

A: Algebraic operations help to find the required value. Multiplication of the negative sign with the…

Q: y = 2x or x = How much work does it take to pump all or part of the liquid from a container? Engi-…

A: The given diagram: The given details: Equation of work done, W=Fd Where W is Work done, F is force…