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

Author Question: A random sample from an unknown population had a sample standard deviation of zero. Which one of the ... (Read 181 times)

cnetterville

  • Hero Member
  • *****
  • Posts: 547
on: Jul 24, 2018
A random sample from an unknown population had a sample standard deviation of zero. Which one of the following is a reasonable conclusion?
 a. The sample range must be zero.
  b. An error was made in computing the sample standard deviation. It must always be greater than zero.
  c. The population standard deviation must be zero.
  d. The population standard deviation must be zero when the mean is zero.
  e. None of these.

Question 2

You have rejected the null hypothesis when it is false, and therefore you have made a
 a. Type A correct decision.
  b. Type B correct decision.
  c. Type I error.
  d. Type II error.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


cnetterville

  • Member
  • Posts: 547
Reply 2 on: Jul 24, 2018
:D TYSM

Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Abiotic factors influence population densities. Abiotic factors influence population densities.
Standard Schnauzer Standard Schnauzer
Finding an unknown side of a triangle Finding an unknown side of a triangle
Sample Exercise Prescription for Weight Training: Beginner Sample Exercise Prescription for Weight Training: Beginner
ROM exercises on a patient’s wrist: radial deviation. ROM exercises on a patient’s wrist: radial deviation.
A hypothesis test is performed to test the claim that a population proportion is greater than ... A hypothesis test is performed to test the claim that a population proportion is greater than ...
Video: Heart Chambers

For a complete list of videos, visit our video library