This topic contains a solution. Click here to go to the answer

Author Question: Assume simple random sampling has been used, and the following information was obtained. Population ... (Read 40 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
Assume simple random sampling has been used, and the following information was obtained. Population size N = 900 Sample size n = 36 Sample mean x = 300 Sample standard deviation s = 72
 a. Estimate the standard error of the mean.
  b. Develop an approximate 95 confidence interval for the population mean.

Question 2

Simple random sampling has been used to obtain a sample of size 60 from a population of size 700 . The sample mean was 500 with a standard deviation of 60.
 a. Estimate the standard error of the mean.
  b. Develop an approximate 95 confidence interval for the population mean.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrerig

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

a. 11.76 (rounded)
b. 276.48 to 323.52

Answer to Question 2

a. 7.4 (rounded)
b. 458.2 to 514.8




kfurse

  • Member
  • Posts: 590
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

For a complete list of videos, visit our video library