If X 1 , X 2 , and X 3 constitute a random sample of size n
Question:
If X1, X2, and X3 constitute a random sample of size n = 3 from a normal population with the mean µ and the variance σ2, find the efficiency of X1 + 2X2 + X3 / 4 relative to X1 + X2 + X3 / 3 as estimates of µ.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 78% (14 reviews)
varx1 2x2 x3 4 11...View the full answer
Answered By
Jacob Festus
I am a professional Statistician and Project Research writer. I am looking forward to getting mostly statistical work including data management that is analysis, data entry using all the statistical software’s such as R Gui, R Studio, SPSS, STATA, and excel. I also have excellent knowledge of research and essay writing. I have previously worked in other Freelancing sites such as Uvocorp, Essay shark, Bluecorp and finally, decided to join the solution inn team to continue with my explicit work of helping dear clients and students achieve their Academic dreams. I deliver, quality and exceptional projects on time and capable of working under high pressure.
4.90+
1252+ Reviews
2844+ Question Solved
Related Book For
John E Freunds Mathematical Statistics With Applications
ISBN: 9780134995373
8th Edition
Authors: Irwin Miller, Marylees Miller
Question Posted:
Students also viewed these Statistics questions
-
If X 1 , X 2 , and X 3 constitute a random sample of size n = 3 from a Bernoulli population, show that Y = X 1 + 2X 2 + X 3 is not a sufficient estimator of . Consider special values of X 1 , X 2 ,...
-
If X1, X2, . . . , Xn constitute a random sample of size n from an exponential population, show that is a sufficient estimator of the parameter .
-
X1, X2, . . . , Xn constitute a random sample of size n from a gamma population with = 2, use the method of maximum likelihood to find a formula for estimating .
-
Help on this. thanks 2022SP CS234 Computer Science II 1. (Based on P6.11) A supermarket wants to reward its best customer of each day, showing the customer's name on a screen in the supermarket. For...
-
A die is rolled 20 times, and the number of fives that occur is reported as being the random variable. Explain why x is a binomial random variable.
-
In July of 2011, Sue enters into a forward agreement with Ann to lock in a sales price for wheat. Sue anticipates selling 300,000 bushels of wheat at the market in March of 2012. Ann agrees to a...
-
There were 970 movies made in Hollywood between 2007 and 2013. Suppose that, for a documentary about Hollywood film crews, a random sample of 5 of these movies will be selected for in-depth...
-
Compute the cost of capital for the firm for the following: a. Currently bonds with a similar credit rating and maturity as the firms outstanding debt are selling to yield 8 percent while the...
-
Cr3ate a list of twenty test questions that you could ask about your model. (i.e. how much weight can it hold, how far does it fly, how long does it last etc.) Typ3 all 20 questions in your entry ...
-
The Largeco pension fund aggregates its entire portfolio every month across all asset classes and computes its net returns, Ri. Exhibit 4-7 displays these monthly returns for one year, along with the...
-
With reference to Exercise 10.23, find the efficiency of the estimator with = 1/2 relative to the estimator with = n 1 / n 1 + n 2 .
-
If X 1 and X 2 constitute a random sample of size n = 2 from an exponential population, find the efficiency of 2Y 1 relative to X, where Y 1 is the first order statistic and 2Y 1 and X are both...
-
The tort of conversion operates differently depending upon whether the plaintiff s property consists of money or other types of goods. Is that statement true? Explain your answer.
-
When a certain ideal gas thermometer is dipped in water boiling at atmospheric pressure, the mercury level in the right \(\mathrm{arm}\) is \(1279 \mathrm{~mm}\) above the reference mark. When the...
-
While assembling part of an electric generator, you realize that two pieces were not properly labeled. One piece is a nonconducting block, and the other is a conducting block, but without labels you...
-
Find the state vector via the formal-solution approach. \(\dot{\mathbf{x}}=\left[\begin{array}{cc}0 & 1 \\ 0 & -\frac{3}{2}\end{array} ight] \mathbf{x}+\left[\begin{array}{l}0 \\ 1\end{array} ight]...
-
In a simplistic model of the hydrogen atom, the electron orbits the proton in a circle of radius \(53 \mathrm{pm}\). What is the orbital period of the electron, in seconds, if the force responsible...
-
Some firms products are so well known that the entire category of products offered in the industry (including rivals products) is often referred to by the leading firms brand name (which is called an...
-
Identify each polynomial as a monomial, binomial, trinomial, or none of these. Give the degree. -mn 5
-
A glass manufacturer produces hand mirrors. Each mirror is supposed to meet company standards for such things as glass thickness, ability to reflect, size of handle, quality of glass, color of...
-
In Exercise 4.24, find the proportion of employees who either have MBAs or are managers. In Exercise 4.24 Fifteen percent of the employees in a company have managerial positions, and 25 percent of...
-
Using the results in Table 4.2 (page 165), estimate the probability that a randomly selected 21- to 49- year- old consumer would: a. Give the phrase a rating of 4 or 5 given that the consumer is...
-
In a survey of 100 insurance claims, 40 are fire claims (FIRE), 16 of which are fraudulent (FRAUD). Also, there are a total of 40 fraudulent claims. a. Construct a contingency table summarizing the...
-
A pilot taxiing on the airport loses radio contact with ATC and then sees a flashing red light being shown at his aircraft from the Air Traffic Control Tower. What action should the pilot take?
-
Discussion questions: It is better to be a human being dissatisfied than a pig satisfied; better to be Socrates dissatisfied than a fool satisfied. 1. Do you agree? Why (not)? 2. What would a...
-
Describe how to make a strong magnet out of an initially unmagnetized iron rod without using the earth or another bar magnet. Include in your instructions the materials one would need, how one could...
Study smarter with the SolutionInn App