QUESTION 4 If there are k populations being sampled, the denominator degrees of freedom is k-1 O True O False QUESTION 5 An investment analyst wants to establish whether there is a change in the mean rate of return for 9 types of investments The analyst selected a sample of 129 and conducted ANOVA test that is shown as follows. Variation df MS Between 321 (Treatment) Within (Error) Total 829 The Within (Error) mean squares is equal to? (Round answer to three decimal places ex. 2.091)

Q: Find AB.

A: We have to find product AB for the given matrices: A=4-32 and B=51 We know for multiplication of…

Q: According to a prestigious historical society, in 1999, 7.2% of recent high school graduates believe…

A: Given, Proportion of population who believed that the Romans invented mayonnaise P=7.2%=0.072 Sample…

Q: 3y² - 2y-1 (-)-5y²- 2y +6

A:

Q: 64y2+7=32

A: 64y2+7=32

Q: him (3x+X

A:

Q: w2-3w-5=0

A:

Q: 1+2x=77

A:

Q: 4r> 16 -10

A: A mathematical statement, which states that two expressions are not equal is called an inequation…

Q: 2sin2a+7sina=4

A:

Q: Find A. A= (4A)-¹ = 3 2 22

A:

Q: The​ p-value is

A: It is given that the one-sample left-tailed or lower tail hypothesis test. ZSTAT, z = -2.23

Q: p2 sec? r³ dr

A:

Q: -12+(4• 3) (-) I 2-14 - 3)ENTER

A:

Q: Зх + 9 6x P R

A: AAS criteria: If two angles and an opposite side of one triangle are congruent to the two angles and…

Q: Q3 is incorrect.

A: data in ascending order:- 2, 12, 14, 28, 28, 30, 32, 34, 34, 34, 42, 44, 50, 52, 58, 60, 72, 78

Q: ^2 for the scor

A: to find (sum of x)2 x= 1,5,4

Q: -3w+5=23

A:

Q: (-12)+7

A: To simplify any expression involving numbers we need to use the BODMAS rule which specifies the…

Q: 4(w-9)2+9=109

A: To solve the equation 4(w-9)2+9=109

Q: Find A. -6 4 (4A)-1 -2 1 A =

A:

Q: -4d = -64

A: Given  -4d=-64

Q: 1+n=15

A: -1+n=15

Q: Where's b?

A:

Q: Find fre dz |2e*dx

A:

Q: -8 = 6+n

A:

Q: Q5/ Find A-в, if: 1 2 3 - 2 1 B = 2 A = 2 -1 0 1 3 - 1

A:

Q: r5 dt 25 + t2

A:

Q: p dx. -3x (h)

A:

Q: 2t2 – 100 = 0 %3D

A: The solution is, t = ±5√2  The detailed solution is as follows below:

Q: B+A=18 B=

A: B + A = 18

Q: Find l- elodw no X -1 X -> / /-

A:

Q: -2/w-3/4=3w-7/3

A: Consider the given equation.

Q: Find

A: We know that,                         ∫1xdx=lnx+ c We need to find  ∫4xdx

Q: 2+36=38

A: Given 2+ 36 = 38  Yes the given statement is true .

Q: 8y3 + 216

A:

Q: -4c +2 ≥10

A: The given inequality is: -4c+2≥10

Q: 3=-6+r

A:

Q: z? - 34z + 818 = 0

A: