This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In a stratified sample with five strata, each comprising 1/5 of the population, the sample mean for ... (Read 76 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
on: Jun 29, 2018
In a stratified sample with five strata, each comprising 1/5 of the population, the sample mean for each stratum will receive what weight when calculating the overall sample mean?
 a. 1.20
  b. 0.20
  c. 0.15
  d. 1.00
  e. Cannot be determined with information given in the question.

Question 2

The essential difference between a confidence interval constructed employing a stratified sample and that constructed employing a simple random sample is that with the stratified sample
 a. a point estimate of the population mean is not required.
  b. determination of the estimate of the mean and standard error of estimate involves the use of weights.
  c. the strata results are appropriately weighted by a method of curvilinear estimation.
  d. inferences are drawn on the basis of the known population mean and variance.
  e. the researcher does not need to specify the degree of confidence.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Chou

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 29, 2018
Answer to Question 1

b

Answer to Question 2

b


skymedlock

  • Hero Member
  • *****
  • Posts: 561
Reply #2 on: Jun 29, 2018
Thank you :)


Chou

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jun 29, 2018
Happy to help you


« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in
The Dugong is an endangered species; the largest remaining population is found in Australian waters The Dugong is an endangered species; the largest remaining population is found in Australian waters
Population growth in India, China, Africa, and other countries in the developing world Population growth in India, China, Africa, and other countries in the developing world
Breakdown of the Population by Schooling and Wages Breakdown of the Population by Schooling and Wages
The Solow Model Incorporating Population Growth The Solow Model Incorporating Population Growth
What is the estimated age of the archaeological sample What is the estimated age of the archaeological sample
Video: Brain Anatomy Animation (Part 2 of 2)

For a complete list of videos, visit our video library