Prove that the variance of Y can also be written Var(f) n ' (x x)
Question:
Prove that the variance of Yˆ can also be written
Transcribed Image Text:
Var(f) – n σ'Σ (x − x) i=1 n nΣ (x − x)2 i=1
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 70% (10 reviews)
To prove that the variance of Y can also be written as Var 2n x x2 where 2 is the population varianc...View the full answer
Answered By
Brian Otieno
I'm Brian , an experienced professional freelancer with countless hours of success in freelancing many subjects in different disciplines. Specifically, I have handled many subjects and excelled in many disciplines. I have worked on many Computer Science projects and have been able to achieve a lot in that field. Additionally, I have handled other disciplines like History, Humanities, Social Sciences, Political science, Health care and life science, and Religion / Theology. My experience generally in these subjects has made me able to deliver high-quality projects in a very timely fashion. I am very reliable at my job and will get the work done in time, no matter what. In Addition, I have managed to ensure that the work meets my client's expectations and does not cause an error. I am a hard-working and diligent person who is highly responsible for everything I do. Generally, Freelancing has made me more accountable for doing my job. Additionally, I have had a passion for writing for the last seven years in this field.
0.00
0 Reviews
10+ Question Solved
Related Book For
Introduction To Mathematical Statistics And Its Applications
ISBN: 9780134114217
6th Edition
Authors: Richard Larsen, Morris Marx
Question Posted:
Students also viewed these Sciences questions
-
Prove that the variance of Y can also be written Var(Y) =
-
The claim that the variance of a normal population is 2 = 25 is to be rejected if the variance of a random sample of size 16 exceeds 54.668 or is less than 12.102. What is the probability that this...
-
(a) Show that Eq. (15.25) can also be written as Pay = 1/2FkwA2, where k is the wave number of the wave. (b) If the tension F in the string is quadrupled while the amplitude A is kept the same, how...
-
While a CEO may put pressure on a management accountant to present the financial statement which presents the company in the "best possible light", the management accountant has an obligation to...
-
The Trio affiliated group consists of Trio, a New Jersey corporation, and its three wholly owned subsidiaries. This year, the four corporations report the following: Net Income (Loss) Trio .. $...
-
During the first month of operation, Graham Expeditions recorded the following transactions. Describe what has happened in each of the transactions (a) through (k). J. D. Rakes, Capital J.D. Rakes,...
-
\(\left(b^{6} ight)^{11}\) Simplify the expression.
-
On August 1, 2012, Wardell Cole and Marva Landers form a partnership. Cole agrees to invest $15,600 in cash and merchandise inventory valued at $62,400. Landers invests certain business assets at...
-
During the year, net sales were $250,000; gross profit was $100,000, net income was $40,000; income was $40,000; income tax expense was $10,000; and selling, general, and administrative expenses were...
-
Find three advertisements that illustrate the needs for power, affiliation and achievement and discuss their effectiveness. (Each advertisement should depict one of the three needs.)
-
(a) For random variables X and Y, show that Cov(X + Y, X Y) = Var(X) Var(Y) (b) Suppose that Cov(X,Y) = 0. Prove that (X + Y, X Y) = Var(X) Var(Y)/Var(X) + Var(Y)
-
Listed below are forty ordered computergenerated observations that presumably represent a normal distribution with = 5 and = 2. Can the sample be considered random with respect to the number of...
-
Compute, or state "not defined". (a) (b) (c) (d) (3 )(0 -4 2 0 0.5, 233 0 4 514 018 4 7 3 1/35
-
Write the expression as a single logarithm. 1 4logx-logz+7log w log
-
For Borrow Site #1, #2, #3, calculate the following a. The total volume of material available at each borrow site (in BCY). UNIT = BCY b. Total material purchase cost for each site. UNIT = $ c. Based...
-
Differentiate the function. 9 g(x) = x 6x + 19 4 - g'(x) = X
-
Find the amount in the account after $400 is invested for 1 year at 8% compounded $ 432
-
Find an element of set A that is not an element of set B . A = { y: y is a number between 5 and 1 4 } B = { y: y is an integer between 5 and 1 4 }
-
Green Construction Inc. has poor internal control. Recently, Jean Ouimet, the owner, has suspected the cashier of stealing. Here are some details of the business's cash position at June 30, 2014: a....
-
Cassandra Casey operates the Futuristic Antique Store. She maintains subsidiary ledgers for accounts payable and accounts receivable. She presents you with the following information for October 2019:...
-
A bleary-eyed student awakens one morning, late for an 8:00 class, and pulls two socks out of a drawer that contains two black, six brown, and two blue socks, all randomly arranged. What is the...
-
Show directly that the set of probabilities associated with the hypergeometric distribution sum to 1. (1+) N = (1+) r (1+) Nr
-
Show that the ratio of two successive hypergeometric probability terms satisfies the following equation, for any k where both numerators are defined. (4)- ( n-k-k k+1 -n+k+1
-
on Select the true statements based on the graph, "Concern about artificial intelligence in daily life far outweigh excitement". Robots are taking over the world. The share of US adults who say the...
-
Academic writing often involves crafting a O Narrative O Critical analysis Plot summary Description which can be defined as taking a viewpoint and attempting to prove its validity.
-
What is Ecsoba's main concern when reading the case? O long wait times production O quality control O being able to hire qualified workers O supply chain issues
Study smarter with the SolutionInn App