Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Use two-stage sampling, with simple random sampling at each stage, to estimate the mean or total of a population of your choice. In the process of carrying out the survey and making the estimate, think about or discuss with others the following:
(a) What practical problems arise in establishing a frame, such as a map or list of units, from which to select the sample?
(b) How is the sample selection actually carried out?
(c) What special problems arise in observing the units selected?
(d) Estimate the population mean or total.
(e) Estimate the variance of the estimator above.
(f) Give a 95% confidence interval for the population mean or total.
(g) How would you improve the survey procedure if you were to do it again?
a wildlife study has found that a wolf pack is successful in killing one large animal for every 12 that it chases.a
How many individuals will it need to sample to achieve this level of accuracy and confidence?
the following is a series of annual sales in millions of dollars over an 11-year period 2000 to 2010 year 2000 2001
A researcher would like to determine whether an over-the-counter cold medication has an effect on mental alertness. A sample of n = 16 participants is obtained and each person
What is a sampling distribution and what does it show - what is the difference between a parameter and a statistic and how do they relate to each other?
Determine the lot size for Company B that wold minimize total annual cost by using the economic production lot size model.
a student suspected claim the average cost of a sturday night date was no longer 30. to test her hypothesis she
For each mutual fund, find an interval in which you would expect 95.44 percent of all yearly returns to fall. Assume returns are normally distributed.
What is the population? What values does the population distribution describe? What is this distribution? What values does the sampling distribution of x describe? What is the sampling distribution?
Test the claim that the mean age of people in the United States who would say yes to the survey question shown in the table is 60 years or older.
Compute the standard deviation for the company and the index. Compute the correlation coefficient between Tokyo Ltd and the index. Compute the beta for Tokyo Ltd
Health care providers and other interested parties must continuously look for ways to manage limited resources while improving quality and promoting patient safety.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd