Let X1, X2,...,Xn be independent random variables from a distribution with                  Show that W is an unbiased estimator of σ2

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A: The given partial differential equation is ∂2u∂x2+∂2u∂y2=fx,y. We have to identify its name. The gen...

Q: a) Solve the boundary-value problem (4.5 = x3 - ) у" + ху — With the following boundary conditions y...

A: Note: As per bartleby instruction when more than one question is given only one has to be answered. ...

Q: Find second order partial derivates of the following function

A: Complete solution is given below.

Q: Activity: Follow Me! Solve the following real-life problems using systems of linear equations by gra...

A: 2. Let x be the number of disposable masks and y be the number of face masks. 1 disposable mask cost...

Q: Ax - B xS-1. 5) Given a function h(x) = {2x² +3Ax+B, -11 a) Given that h(x) is continuous for any va...

A: As per bartleby guidelines, for more than one question asked only one is  to be answered, kindly res...

Q: Write A if the sequence is arithmetic, G if it is geometric, H if it is harmonic, F if Fibonacci, an...

A: Hey, since there are multiple sub-parts posted, we will answer the first 3 sub-parts. If you want an...

Q: Using the intercept method, complete the table of values for the following systems of linear equatio...

A: The objective here is to first complete the table and to plot the graph of the equations. System of ...

Q: Task 3 a) Using the laws of logarithms and exponentials solve the voltage equations across a battery...

A: a 1. x0.26-20.6=10cosπ3sinπ6+sinπ3cosπ6cotπ3      ⇒ x0.26-20.6=1013⇒x1.2=20.6+5.7735=26.3735       ⇒...

Q: Evaluate and interpret the following Riemann sums for ƒ(x) = 1 - x2 on the interval [a, b] with n eq...

A: It is given that the function fx=1-x2 on the interval [a, b].  The interval [a,b] is divided into n ...

Q: What do you think?

A: Coplanar: A set of points is said to be coplanar if there exists a plane which contains all the poin...

Q: Consider the following function:

A:

Q: 3b- Please I want a solution of this question by typing it. Many Thanks

A: We are given the integral ∫-233x+23x2+4x+233dx. Let I=∫-233x+23x2+4x+233dx. Now, we need to find the...

Q: 1. The graph of y = x² – 2x – 3 is shown below. Answer each of the following questions using the gra...

A: (1) y=x2-2x-3 is the equation of the parabola As seen clearly from the graph(a) The parabola opens ...

Q: Find the general solution of (26) y′′+5y′+6y=0.

A: We are given the differential equation y''+5y'+6y=0. To solve this differential equation, we integra...

Q: = -6x(x')³, x(-1) = -1, x'(-1) =, has a unique solution x and find the maximal interval of existence...

A: Given x''=-6x(x')3 , x(-1)=-1 ,x'(-1)=13

Q: At a distance of 1000 miles from a tower, the angle of elevation to the top of the building is 36°. ...

A: Consider the given information. Make the graph from the given information.

Q: Find all three-digit numbers with different digits with the property that those numbers are divisibl...

A: Let  N be the required three digit numbers. N=100a+10b+c Given that, N is divisible by all two digit...

Q: solve by substitutionActivity: Follow Me! Solve the following real-life problems using systems of ...

A: Let x represent the number of boy scouts. Then, according to the question, The number of girl scouts...

Q: 2) What is the name of the following equation? a?u a?u = f(x,y) a) Two-Dimensional Heat Equation b) ...

A: Given equation is ∂2u∂x2+∂2u∂y2=fx,y

Q: CN2) Assume that x, y ER and z = x + iy € C and answer the followings. Calculate the reel integrals ...

A: we know the result ∫0∞xm-11+xndx=πnsin(mπn)  where m,n ∈N with n>m>0we have a. ∫0∞11+x3dx= ∫0∞...

Q: Use residues to evaluate the integral 2T 1 de. %3D 5+3 cos 0

A: To evaluate : ∫02π15+3 cos θdθConsider unit circle |z|=1i.e. z=eiθ⇒dθ=dzizAlso, we use cos θ=z2+12z,...

Q: cos(x) dx 1+ x2 a) Calculate using Simpson's 1/3 rule. b) Take n = 5 and calculate using the compoun...

A: Given function is  fx=cosx1+x2 With  a=0b=π2 Let us consider n=2 Then,  h=b-an=π22=π4 Then,  x0=0x1=...

Q: Please help me fast so that I will give Upvote.

A: To compare the starting solutions  obtained by the northwest-corner, least-cost and Vogel method for...

Q: Is the given statement true or false? Justify your answer. 'If f is continuous, decreasing function ...

A: It is not true that y=e-x has similar properties with f but integral's value is 1/e but when y=1/x, ...

Q: Show how you would convert 34,212 mg to grams

A: We have to convert 34,212 mg into grams.

Q: Engineering analysis

A: Solution: The objective is to find the Inverse Laplace transform of given function.

Q: Determine if the set of vectors shown to the right is a basis for R3. If the set of vectors is not a...

A: Given vectors are 23-6,-424

Q: Find the initial solution using Vogel's approximation method. It is necessary to fill all the cells,...

A: Given that   O1 O2 O3 O4 Supply D1 18 8 13 14 200 D2 10 10 16 14 200 D3 16 15 11 14 300 D...

Q: Find the slope of the given line y=x+6/8

A: Given equation of line is, y=x+68 We know that the slope intercept form of a line is y=mx+c Where m ...

Q: Calculate the values of A, B and C for the following partial fraction decomposition: SE х2 — х + 2 В...

A: The given partial fraction decomposition ∫x2-x+2xx2+3x-2dx=∫Ax+Bx+Cx2+3x-2dx. We have to identify th...

Q: Compute the suitable integral representation of the following function 0, 0.5, —2 2

A: The given, G1x=0,x<-20.5,-2<x<-11+x,-1<x<01-x,0<x<10.5,1<x<20,x>2

Q: please solve the problems using Frobenius method

A:  In Frobenius method the solution of an equation y''+p(x)y'+q(x)y=r(x)is y=∑n=0∞ an(x-x0)n

Q: Let S be the statement: For all x, y E R, if x + y = 0 then xy < 0. (b) Decide whether the statement...

A:

Q: Part I Directions: Determine whether each of the following numbers is rational or irrational. Write ...

A: Determine whether each of the following numbers is rational orirrational.152-53341453567.292929...76...

Q: 2. If f(x,y)= te Vy of=D0 then show) that 49 c) of af =0 dxay

A: Consider the given function. fx,y=1yex-y24y (i) First, we have to show that ∂2f∂x2-∂f∂y=0. First, fi...

Q: temperature distribution: V²T=0 (0<x<4` (0<y<l, т(0, у) - 0 т(х,0)-х T(4, у) 3Dо т(х, 1) %10

A: To find the temperature distribution            ∇2T=0          0&lt;x&lt;40&lt;y&lt;1T0,y=0   Tx,0=x...

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.