Show that if an SRS of size n(1) is taken in phase I, and an SRS of

Question:

Show that if an SRS of size n(1) is taken in phase I, and an SRS of size n(2) is taken in phase II, then taking the ratio n(2) / n(1) in (12.20) minimizes the variance in (12.10) for a fixed cost C.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Sampling Design And Analysis

ISBN: 627

2nd Edition

Authors: Sharon L. Lohr

See More Books

Question Posted: Sep 21, 2024 07:01 AM

See More Questions

Suppose that the owner of the restaurant in Problem 2.91 also wants to study the demand for dessert during the same time period. She decides that in addition to studying whether a dessert was...
A popular theory that attempts to explain the ups and downs of everyday life states that each person has three cycles, called biorhythms, which begin at birth. These three cycles can be modeled by...
What are the purposes of a bank reconciliation? What balances are reconciled?
Show that if an SRS of size n(1) is taken in phase I, and an SRS of size n(2) is taken in phase II, then taking the ratio n(2) / n(1) in (12.20) minimizes the variance in (12.10) for a fixed cost C.
Sea Bound uses three processes to manufacture lifts for personal watercraft: forming a lifts parts from galvanized steel, assembling the lift, and testing the completed lift. The lifts are...
Mistral Software is considering a merger with Amsted Technologies. Mistral has 1 . 2 million shares outstanding with a value of $ 2 2 , while Amsted has 8 0 0 , 0 0 0 shares outstanding with a $ 2 3...
Show that when the optimal allocation is used, the variance of (2) str for two-phase sampling with stratification is given by (12.18).
This exercise is based on results in McNamee (2003) on the use of two-phase sampling to estimate disease prevalence. An inexpensive, but possibly inaccurate, screening test for the disease is given...
Listed below are the numbers of defective dimes in successive batches of 10,000 randomly selected on consecutive days of production? 32 21 25 19 35 34 27 30 26 33
Min-Jun and Min-Suh want to contribute $120,000 to a 529 plan for the benefit of their new grandchild. If done shortly after the birth of the child, with a 7.00 percent annual return and no other...
Delcom ltd is planning to introduce a new product. Market research information suggest that the product should sell 100,000 units over its lifecycle at a price of Ksh 420 per unit. The company seeks...
Question 7 0 out of 6 points If the physical count of the inventory revealed $216,000 of merchandise on hand and the inventory records reported $225,000, what would be the necessary adjusting entry...
Required information [The following information applies to the questions displayed below.) Janson Pharmaceuticals incurred the following costs in 2021 related to a new cancer drug Research for new...
The Heating Division of Sheffield International produces a heating element that it sells to its customers for $44 per unit. Its unit variable cost is $27, and its unit fixed cost is $5. Top...
A vertical shaft of light from a projector forms a light spot S = 100 cm2 in area on the ceiling of a round room of radius R = 2.0 m. The illuminance of the spot is equal to E = 1000 lx. The...
As indicated by mutual fund flows, investors tend to beat the market seek safety invest in last year's winner invest in last years loser
Recall that a customer is considered to be very satisfied with his or her XYZ Box video game system if the customer's composite score on the survey instrument is at least 42. One way to show that...
In an article in the Journal of Management, Joseph Martocchio studied and estimated the costs of employee absences. Based on a sample of 176 blue-collar workers, Martocchio estimated that the mean...
Explain why sampling without replacement is preferred to sampling with replacement.
Luther Corporation Consolidated Income Statement Year ended December 31 (in $ millions) 2009 2008 Total sales 610.1 578.3 Cost of sales (500.2) (481.9) Gross profit 109.9 96.4 Selling, general, and...
Their tax is computed as follows: Income: Salary Taxable interest Tax-exempt interest Total Tax-exempt interest Minus: Exclusion: Gross income Minus: Deductions for AGI: IRA contribution Adjusted...
Jeremy Incorporated produces leather handbags. The production budget for the next four months is: July 5,400 units, August 7,100 units, September 7,700 units, and October 8,500 units. Each handbag...

Show that if an SRS of size n(1) is taken in phase I, and an SRS of

Question:

Step by Step Answer:

The easiest way to solve thisoptimization problem is to use Lagra...View the full answer

Sampling Design And Analysis

Students also viewed these Statistics questions