« previous next »

Author Question: A simple random sample of size 64 is taken from a population of size 800 . The sample mean is ... (Read 185 times)

genevieve1028

  • Hero Member
  • *****
  • Posts: 601
on: Jun 24, 2018
A simple random sample of size 64 is taken from a population of size 800 . The sample mean is determined to be 2,550 with a standard deviation of 500 . An estimate of the standard error of the mean (for the total) is
 a. 62,500.50
  b. 47,958.32
  c. 7.8125
  d. 50,000.00

Question 2

The coefficient of variation is a measure of variability.
  Indicate whether the statement is true or false


jaygar71

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

T


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Random, regular, and clumped distributions. Random, regular, and clumped distributions.
Sample new patient registration form. Sample new patient registration form.
Simple harmonic motion also forms the basis for understanding mechanical waves Simple harmonic motion also forms the basis for understanding mechanical waves
A Simple Demonstration of Osmosis A Simple Demonstration of Osmosis
Distribution of the World’s Population Distribution of the World’s Population
A graphic depiction of predisposing alleles characteristic of a threshold trait within a population, A graphic depiction of predisposing alleles characteristic of a threshold trait within a population,
Video: HIV Infection: Viral life cycle

For a complete list of videos, visit our video library