QUESTION 6 A sample of 51 observations yielded a sample standard deviation of 5. If we want to test HO: 02 = 20, the test statistic is a. 62.5. b. 12.5. O c. 51.25. 00 d. 50.

Q: Evaluate L 6e-2s s²+4) {

A:

Q: 2) folve 27 L1 J2-5 -2z -J3

A: solve2z+1-2z-3=2-i3

Q: w + 4 w + 10 6. 8.

A:

Q: 2 +,

A:

Q: 2+2-w

A: To simplify  2+ 2- w

Q: 3x-9(if x=6)

A: Given,            3x-9 if x=6

Q: X+2y=3 , x-y=6

A:

Q: 1 [² [²" - dydz dr I

A:

Q: 2x+ 4 odx x+2x+4x+ 8

A:

Q: 2x+4y>6

A:

Q: y+4<11

A:

Q: find domain

A: If you have any questions let me know in comment box thankyou for your question.

Q: 9f

A: Given: Subtraction of f and 9f, That is f-9f. To find: f-9f.

Q: x3-y3 by replacing x with -0.4 and y with -0.2.

A:

Q: V3 + V75 = V3 + V25 -3 = v3 + V3 =

A: Given expression to simplify: 3+75

Q: 2. -ў — 2у %3D 6

A: answer is in next step

Q: p dx. -3x (h)

A:

Q: 2/21 + -2/9.

A: 221+−29

Q: r+6/5 = r+8/7

A: We will use cross multiplication.

Q: (v-4)2

A:

Q: The system shown in the figure can be modeled by the following differential equation system h2pg –…

A: Given the system of the differential equation is…

Q: 3+2x2x

A:

Q: Y+5>1

A: I am going to solve the given problem by using some simple algebra to get the required result.

Q: X+3y=9

A: this is a two variable linear equation X + 3Y = 9

Q: y +y - 2y = 0

A: Here we have to solve , the given differential equation  y"+y'-2y=0 ...........(1)

Q: 2g+4f+2g+f+f+g

A: Solve the following

Q: S- 3+ Vx

A:

Q: 2(3y-2) 20

A:

Q: 2x² + 2x + 2 . Evaluate. x2 +2

A: The given integral is definite integral  So firstly integral will be done after that limit will be…

Q: b. V3x -11= x+1 ,2

A: Solving on graph