Question: 37. When the sample standard deviation S is based on a random sample from a normal population distribution, it can be shown that E(S)

37. When the sample standard deviation S is based on a random sample from a normal population distribution, it can be shown that E(S) 2/(n1)(n/2)/((n 1)/2)

Use this to obtain an unbiased estimator for of the form cS. What is c when n 20?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

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

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Applied Statistics And Probability For Engineers Questions!

When the sample standard deviation S is based on a random sample from a normal population distribution, it can be shown that E(S) = V2/(n - 1) I(n/2)/T((n - 1)/2) Use this to obtain an unbiased...

When the sample standard deviation S is based on a random sample from a normal population distribution, it can be shown that E(S) = 2/(n - 1)(n/2)/((n - 1)/2) Use this to obtain an unbiased estimator...

54. When the sample standard deviation S is based on a random sample from a normal population distribution, it can be shown that Use this to obtain an unbiased estimator for s of the form cS. What is...

63. Let x denote the number of items in an order and y denote time (min) necessary to process the order. Processing time may be determined by various factors other than order size. So for any...

PLEASE PAY CLOSE ATTENTION TO WHAT IS BEING ASKED IN QUESTIONS. I have arrange the questions 1-6, please only provide answer with question number and part (ex. 1a, 1b, 2a, 2b, etc.). No explanation...

This is all info i have no more info can be giving! A random sample of 41 adult coyotes in a region of northern Minnesota showed the average age to be x = 2.07 years, with sample standard deviation s...

1 )A random sample of 46 adult coyotes in a region of northern Minnesota showed the average age to be x = 2.05 years, with sample standard deviation s = 0.84 years. However, it is thought that the...

Homework: Section 10.EOC Homework Part 1 of 8 Question 2 Score: 0.33 of 1 point Save During the 2007-2008 decline in the housing market, it appeared that the average size of a newly constructed house...

Help with part C and part F A pharmaceutical company makes tranquilizers. It is assumed that the distribution for the length of time they last is approximately normal. Researchers in a hospital used...

1 The random sample shown below was selected from a normal distribution. 8,3,7,3,9,6 & Complete parts a and b. a. Construct a 99% confidence interval for the population mean p. (| , ) (Round to two...

Give a high level overview of how TCP/IP Classic (Reno) congestion control works. How does TCP/IP infer that there is congestion in the network? For whose benefit is congestion control performed?...

You are given below the daily wages paid to the workers in the two factories X and Y: Daily 12-14 14-16 16-18 18-20 20-22 22-24 24-26 Wages Factory X 15 30 44 60 40 14 7 Factory Y 25 40 60 35 12 15 5...

A firm has a P / E ratio of 1 2 and a ROE of 1 3 %

What speed and direction should the jetliner in Example 8 have in order for the resultant vector to be 500 mph due east? In Example 8 EXAMPLE 8 A jet airliner, flying due east at 500 mph in still...

We have seen that if E(X) = E(X) == E(X) = , then E(X++ X) = nu. In some applications, the number of X's under consideration is not a fixed num- bern but instead is an rv N. For example, let N = the...

The article from which the data in Exercise I was extracted also gave the accompanying strength observations for cylinders: 6.1 5.8 7.8 7.1 7.2 9.2 6.6 8.3 7.0 8.3 7.8 8.1 7.4 8.5 8.9 9.8 9.7 14.1...

As an example of a situation in which several different statis- tics could reasonably be used to calculate a point estimate, consider a population of N invoices. Associated with each invoice is its...

Use the following amortization chart: Selling price of home $ 90,000 Down payment Principal (loan) interest $ 5,000 $ 85,000 Rate of 51% Years 30 Payment per $1,000 $ 5.67789 Monthly mortgage payment...

Instructions Using the readings in Unit 3 and 4, class discussions, and your own experience, define and describe your ethical model, personal vision, and personal mission. This will be accomplished...

Scenario: Oriental Company, an office supplies specialty store, prepares its master budget on a quarterly basis. The following data have been assembled to assist in preparing the Master Budget for...