Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

problem 1:

a) describe a procedure of drawing a sample by two stage sampling and give an ex. Describe the applications of two-stage sampling.

b) In sampling with PPS with replacement obtain the estimator of the population total. Derive its variance.

problem 2:

a) What is PPS sampling? describe Cahiri's method of PPS sampling. In PPS sampling with replacement define an unbiased estimator of population mean.

b) Derive the variance of the estimated mean in two-stage sampling.

problem 3:

a) Describe ratio estimation in stratified sampling. Define a combined ratio estimator for the population total and obtain the expression for the large sample variance of the estimator.

b) describe simple regression estimate of the population mean. It is unbiased? If not point out when it is unbiased?

problem 4:

a) Discuss critically the use of auxiliary information with theoretical justification supported by some illustrate exs.

b) Discuss the relative efficiencies of ratio and regression estimates.

problem 5: prepare short notes on any two of the following:

 a) CSO.

 b) Gain in precision due to stratification.

 c) Multistage sampling.

 d) Random number tables and their use.

 e) Bias and mean square error of ratio estimator.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M94884

Have any Question? 


Related Questions in Statistics and Probability

To test the model you will make 5 trades using 5 different

To test the model, you will make 5 trades using 5 different sets of data. You may define the parameters of the put call parity or use the following assumption for the parameters: Interest rate is 5%Transaction costs for ...

1 what are quasi-experimental research designs and when are

1. What are quasi-experimental research designs, and when are they used in behavioral research? What advantages and disadvantages do they have in comparison to experimental research? 2. What are the most important threat ...

Questiona mining company has gained the drilling rights at

Question: A mining company has gained the drilling rights at two sites A and B. Each cost €100,000 each. Based on past experience they have estimated the chances of a successful drill as follows: P(A) = 0.6, P(B) = 0.5 I ...

A family is relocating from st louis missouri to california

A family is relocating from St. Louis, Missouri, to California. Due to an increasing inventory of houses in St. Louis, it is taking longer than before to sell a house. The wife is concerned and wants to know when it is o ...

Applicationcomparing software development

Application Comparing Software Development Workloads Estimating the cost of developing software in terms of work load is difficult since it is a challenge to quantify the size and complexity of a software system. The art ...

Peggy wants to know if her pack of cookies was

Peggy wants to know if her pack of cookies was statistically different from those of the rest of the class. She found out the average number of chips per cookie this year was 13.82 and the standard deviation for the clas ...

Your statistics teacher knowing the power of sampling

Your statistics teacher, knowing the power of sampling, decides to use only 3 of your 5 quiz grades in assigning your grade for the course, chosen at random. Your quiz average using all 5 quizzes is 81.6, with a standard ...

Generally researchers are more concerned about making a

Generally, researchers are more concerned about making a Type I error than a Type II error. Can you think of any instances in which you might be more concerned about making a Type II error?

The setup is again as in exercise 931 but this time peter

The setup is again as in Exercise 9.31, but this time Peter chooses the integer k randomly according to a geometric distribution with parameter 1/2, that is, P(k = n) = 1/2n for each n ∈ N. How does this affect your answ ...

Exam - probability and stochastic modelspart a -q1 twelve

Exam - Probability and Stochastic models Part A - Q1. Twelve recruits were subjected to a selection test to ascertain their suitability for a certain course of training. At the end of training there were given a proficie ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro