Question: Estimating the variance in two-phase sampling for stratification. Show that (12.7) is an approximately unbiased estimator of V á¹«(2)ystr in large samples. 5?-,-is: + .@w-yup

Estimating the variance in two-phase sampling for stratification. Show that (12.7) is an approximately unbiased estimator of V á¹«(2)ystr in large samples.

5?-,-is: + .@w-yup h-1

Step by Step Solution

★★★★★

3.27 Rating (168 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Conditioning on the phase I units Now And The last equality fo... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

627-M-S-S-D (2557).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Show that S2p is an unbiased estimator of 2 and find its variance under the conditions of Theorem 11.5.

Show that SD2 is an unbiased estimator of sD2.

Show that 0 is an unbiased estimator of 0.

Estimating the variance in two-phase sampling for stratification. Show that (12.7) is an approximately unbiased estimator of V á¹«(2)ystr in large samples. 5?-,-is: + .@w-yup h-1

Estimating the variance in two-phase sampling for stratification. Show that (12.7) is an approximately unbiased estimator of V (2)ystr in large samples.

Write 2 paragraphs about Macro risks and the term structure of interest rates article. No max word count, page count, or formatting requirements but has to be submit to my tutor's work as my own....

Exercises Chapter 2 2.1 Marginal and conditional probability: The social mobility data from Section 2.5 gives a joint probability distribution on (Y1 , Y2 )= (father's occupation, son's occupation)....

There is a lottery with n coupons and n people take part in it. Each person picks exactly one coupon. Coupons are numbered consecutively from 1 to n, n being the maximum ticket number. The winner of...

What is "Dirty Data" What are some safeguards against data integrity issues? Why is the flow of information both up and down the management channel important? Give two examples of monitoring...

Let x1 > 1 and xn+1 := 2 - 1/xn for n N. show that (xn) is bounded and monotone. Find the limit.

? _ _ _ b l a n k i s a r e p o r t o f t h e c a s h f l o w g e n e r a t e d b y t h e f i r m ' s o p e r a t i o n s , i n v e s t m e n t s , a n d f i n a n c i a l a c t i v i t i e s . M u l...

CP11-3 Examining an Annual Report: Internet-Based Team Research As a team, select an industry to analyze. Using your Web browser, each team member should acquire the annual report or 10-K for one...

A service station has a pump that distributes diesel fuel to automobiles. The station owner estimates that only about 3.2 cars use the diesel pump every 2 hours. Assume the arrivals of diesel pump...

In a particular manufacturing plant, two machines (A and B) produce a particular part. One machine (B) is newer and faster. In one five-minute period, a lot consisting of 32 parts is produced....

Suppose that, for every lot of100 computer chips a company produces, an average of 1.4 is defective. Another company buys many lots of these chips at a time, from which one lot is selected randomly...

5. (10 points) Your investment portfolio consists of $150,000 invested in only one stock Pfizer. Suppose the risk free rate is 3%. The Pfizer stock has an expected return of 12%, and a volatility of...

Help Save & Exit Highland Mining and Minerals Co. is considering the purchase of two gold mines. Only one investment will be made. The Australian gold mine will cost $1,630,000 and will produce...

1. In the payback method, depreciation is added back to net operating income when computing the annual net cash flow. II. When a company is cash poor, a project with a short payback period but a low...