A random sample without replacement

Reference no: EM131122412

In Figure 2.4, the locations of objects (e.g., trees, mines, dwellings) in a study region are given by the centers of "+" symbols. The goal is to estimate the number of objects in the study region.

(a) A random sample without replacement of n = 10 units has been selected from the N = 100 units in the population. Units selected are indicated by

Shading in Figure 2.4. List the sample data. Use the sample to estimate the number of objects in the figure. Estimate the variance of your estimator.

(b) Repeat part (a), selecting another sample of size 10 by simple random sampling (without replacement) and making new estimates. Indicate the positions of the units of the samples on the sketch.

(c) Give the inclusion probability for the unit in the upper left-hand corner. How many possible samples are there? What is the probability of selecting the sample you obtained in part (a)?

Reference no: EM131122412

Questions Cloud

Identify elastic and inelastic goods that you have purchased : Identify two elastic and two inelastic goods that you have purchased in the last month and explain the main reason why you identified them as such.

Discuss most juvenile offenders are predominantly white : discussing the public is that juvenile offenders are of color, although data shows that most juvenile offenders are predominantly white for most crimes (include issues of media involvement).

Consider a local retailer and analyze its inventory policy : After reading through the chapter, consider a local retailer and analyze its inventory policy (as best you can). Make some determination of the retailer's policy on inventory levels, stock-outs, backorders, and safety stock. Provide reasons why y..

Price maker is monopoly-firm within monopolistic competition : A price maker is a monopoly or a firm within monopolistic competition that has the power to influence the price it charges as the good it produces does not have perfect substitutes. how does this apply to procurement practices at WALMART

A random sample without replacement : In Figure 2.4, the locations of objects (e.g., trees, mines, dwellings) in a study region are given by the centers of "+" symbols. The goal is to estimate the number of objects in the study region.

How do operations managers influence potential users : What can be done to ensure that performance measurements at various levels in an organization are integrated into one system that can help managers, working at levels that range from operational to financial?

When did the company implement the management tool : What conditions lead the company to implement to the selected topic. When did the company implement the Operations Management tool. Document results of the implementation of the Operations Management tool. Profit/productivity improvement etc. When di..

Gain understanding of a sampling and estimation method : Using the data from your own survey (see Exercise 5 of Chapter 2) give 95% and 99% confidence intervals for the population mean and total.

Prepare the accounts payable subsidiary ledger : Prepare the accounts payable subsidiary ledger, and determine that the total agrees with the ending balance of the accounts payable controlaccount.

User Account

All Pages