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

Author Question: We are interested in selecting a sample from a population of size 4,000 in order to develop an ... (Read 81 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
on: Jun 24, 2018
We are interested in selecting a sample from a population of size 4,000 in order to develop an approximate 95 confidence interval estimate of the population mean. A pilot study has resulted in a standard deviation of 600 . What should be the sample size if we do not want the sampling error to exceed 200?

Question 2

The ___________________ _ is the least effective of all the measures of variability.
 Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

frankwu0507

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 24, 2018
Answer to Question 1

36

Answer to Question 2

range


SGallaher96

  • Member
  • Posts: 509
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

bigcheese9

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Sample Teaching Plan for Hypertension Cont. Sample Teaching Plan for Hypertension Cont.
Population Indicators Population Indicators
How to solve an exponential decay problem involving first order decay How to solve an exponential decay problem involving first order decay
Population size Population size
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 ...
Typical bacterial population growth curve showing the initial lag phase Typical bacterial population growth curve showing the initial lag phase
Video: Definition of heart rate

For a complete list of videos, visit our video library