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 164 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
Excellent

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Generalized transduction by random incorporation of bacterial DNA into phage heads Generalized transduction by random incorporation of bacterial DNA into phage heads
Sample Exercise Program for Limited Older Adults (cont.) Sample Exercise Program for Limited Older Adults (cont.)
Race-Ethnicity of the U.S. Population Race-Ethnicity of the U.S. Population
Some Standard Shapes of Greek Vessels Some Standard Shapes of Greek Vessels
A sample of reef biodiversity A sample of reef biodiversity
Sample hypnograms of children, young adults, and older adults Sample hypnograms of children, young adults, and older adults
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library