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)

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A: The solution of given system by using augmented matrix is given as follows :

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Q: 1 (2) ニx くーズ 3 V. 1一2 1.

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: ² 2y 20) 2.xy

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A: A equation of a line with a and b as x and y intercepts respectively is given by,

Q: 12. Find SV. 10x - 41 17 V. 4x+7

A: We can solve both the question using the properties of circle as below

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Q: 5. -4x + 8y 16 41 SE7-6-5 -4 -3 -2 -1 2 3 4 6 기 -1 -3 -4 -6

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Q: A = (0, -3) and B = (5,9) A = (3, – 11) and B = (9,-3)

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A: Given that, The sides and diagonal lengths of the quadrilateral is a  =3.1yards , b=6.9yards , c =…

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Q: 35.)2x1 + x2 + 3x3 = 0 = 0 X1 + 2x2 %3D X2 + 2x3 = 0

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Q: (a) Do u1 and u2 form a basis of R³? Justify your answer. (b) Do u1, u2 and u3 form a basis of R°?…

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Q: 1. A group of cyclists is planning a 50- mile ride. The cyclists will stop every 10 miles to…

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Q: 6. y = x and x = y² 2+ 1.5- 1+ 0.5- 0 -0.5 y = x x = y² 0.5 1 1.5 2 X

A: Given query is to find the area under the curve

Q: 2 3. w'etw dw -1

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Q: Assume that producing 1 unit of calcium requires 0.3 units of calcium, 0.1 units of hydrogen, and…

A: Given : Assume that producing 1 unit of calcium requires 0.3 units of calcium, 0.1 units of…

Q: 5.1. Show that y2 , V2 , and v3 + V2 algebraic. are

A: We will use definition of algebraic numbers

Q: 9. x- y=2 x =-2 {) व

A: The given equations,x-y=2x=-2

Q: 4. Þ(17) Answer: Show your work or explain your reasoning here:

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Q: Consider sin(-5x-) TT y = 2-4 sin Identify the properties below. Whenever necessary, type as pi. 1.…

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Q: D. ChOra C. diameter D. Pa . Identify what property is being illustrated by the following. Write…

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Q: 1 Express 3 5 3 5 7 = as a linear combination of - 1 + 2 3 4 2 H 1 and 3 4 LO

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Q: 20. Simplify v75+ v12- V108. O 7V3-5V5 O 11v3 O 5V3+2v3- 6v3 O V3

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Q: 24 %24 3. ぶ3 3.

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Q: Identify the work done, J. F.dr by an electric field, E = (x + xy)î + (y + 5)f – 5zk V/m to move an…

A: Work done along the curve C by vector field F . Where C is given by parametric equation r(t)…

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: 214 500 %3D

A: The obtain the value of 214500, divide the number 214 by the number 500. That is, here the dividend…

Q: 3x + 3y = 21 -3x + 2y 19

A: