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

Author Question: A population has a mean of 75 and a standard deviation of 8 . A random sample of 800 is selected. ... (Read 72 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Jun 24, 2018
A population has a mean of 75 and a standard deviation of 8 . A random sample of 800 is selected. The expected value of  is
 a. 8
  b. 75
  c. 800
  d. None of these alternatives is correct.

Question 2

The standard deviation of all possible  values is called the
 a. standard error of proportion
  b. standard error of the mean
  c. mean deviation
  d. central variation


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kescobar@64

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

B


Jkov05

  • Member
  • Posts: 556
Reply 2 on: Jun 24, 2018
Gracias!

nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

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

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.

Predators and Population Cycles Predators and Population Cycles
Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio
Selected Drugs Suspected of Causing Cancer in Humans Selected Drugs Suspected of Causing Cancer in Humans
Withdrawal Symptoms and Treatment for Selected Drugs of Abuse Withdrawal Symptoms and Treatment for Selected Drugs of Abuse
Selected Antiemetics Selected Antiemetics
Random X inactivation in female placental mammals Random X inactivation in female placental mammals
Video: Resting membrane potential - electrical polarity and maintenance requirements

For a complete list of videos, visit our video library