Reference no: EM13986080
A) Using one or more of the following variables: age, sex, race, or marstat, divide the population into strata. Explain how you decided upon your stratification variable and how you chose the number of strata to use. (Note: It is NOT FAIR to use the values of inctot in the population to choose your strata! However, you may draw a pilot sample of size 200 using an SRS to aid you in constructing your strata.)
B) Using the strata you constructed, draw a stratified random sample using proportional allocation. Explain how you calculated the sample size to be drawn from each stratum.
C) Using the stratified sample you selected with proportional allocation, estimate the total income for the population, along with a 95% CI.
D) Using the pilot sample of size 200 to estimate the within-stratum variances, use optimal allocation to determinesample stratum sizes.
Use the same value of n as in part B. Draw astratified ramdom sample from the population along with a 95%CI.
E) Under what conditions can optimal allocation be expected to perform much better than proportional allocation? Do these conditions exist for this population? Comment on the relative performance you observed between these two allocations.
F) overall, do you think your stratification was worth while for sampling from this population ? if you were to start over on the stratification, what would you do differently?
|
Find revenue from seignorage if monetary base triples year
: Consider an economy in which people wish to hold bank checking deposits worth a total of 5 million goods and currency worth 2 million goods in every period. In addition there is a stock of unintermediated capital worth 10 million goods. Fiat money is..
|
|
Trenton worked on four jobs during its first year
: Trenton worked on four jobs during its first year of operation: nos. 401, 402, 403, and 404. A review of job no. 403's cost record revealed direct material charges of $40,000 and total manufacturing costs of $50,000. If Trenton applies overhead at 15..
|
|
What was the under applied or over applied overhead for the
: Cabot Corp. is a job lot manufacturer. The budget for the month of May calls for 7,000 direct labor hours to be worked. Budgeted overhead is $84,000 with a predetermined rate of $12 per hour. Overhead is applied based on actual direct hours worked. A..
|
|
What is the simple payback period
: The going aircraft corportation is manually producing a certain subassembly at a direct labor cost of $100,000 per year. Annual maintenance for the automated system will be $10,000, and its market (salvage) value will be $7000 at any time in the futu..
|
|
Estimate the within-stratum variances
: Using the strata you constructed, draw a stratified random sample using proportional allocation. Explain how you calculated the sample size to be drawn from each stratum. Using the stratified sample you selected with proportional allocation, estim..
|
|
Map of indifference curves and a budget constraint
: Given a map of indifference curves and a budget constraint, show how a demand curve for a particular good can be obtained. Given a map of indifference curves and a budget constraint, show how an income-consumption curve for a particular good is obtai..
|
|
Financial statements prepared by certified public accountant
: The HOA board has asked you to provide an opinion on Pennypacker's question. Would you recommend a full audit or a nonaudit attestation service? Explain why.
|
|
Cause our balance of payments issues
: High spending and low savings in the U.S. helps cause our balance of payments issues. President Carter took us off the gold exchange standard. Most economists support a return to fixed exchange rates, such as the gold standard. If the U.S. government..
|
|
What is balls velocity just before it strikes the floor
: What is in m/s its velocity just before it strikes the floor? What is in m/s its velocity just after it leaves the floor on its way back up?
|