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

Author Question: Assume simple random sampling has been used, and the following information was obtained. Population ... (Read 99 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
on: Jun 24, 2018
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
Reply #1 on: Jun 24, 2018
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
:D TYSM

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Simple squamous epithelium Simple squamous epithelium
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
Biological Information Flow Biological Information Flow
(A) Fibula and tibia communited fracture. (B) Simple, tranverse fracture. (C) Open fracture of the ... (A) Fibula and tibia communited fracture. (B) Simple, tranverse fracture. (C) Open fracture of the ...
World Population Growth World Population Growth
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
Video: Stimulus (introduction)

For a complete list of videos, visit our video library