« previous next »

Author Question: Which of the following tests is considered to be more powerful? a. A one-tailed test b. A ... (Read 22 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
on: Jun 20, 2018
Which of the following tests is considered to be more powerful?
 
  a. A one-tailed test
  b. A two-tailed test
  c. Neither; they are both equally statistically powerful
  d. Which is more powerful depends on the sample size

Question 2

What happens to the probability of committing a Type I error if the level of significance is changed from  = .01 to  = .05?
 
  a. The probability of committing a Type I error will decrease.
  b. The probability of committing a Type I error will increase.
  c. The probability of committing a Type I error will remain the same.
  d. The change in probability will depend on your sample size.


millet

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jun 20, 2018
Thank you


millet

  • Sr. Member
  • ****
  • Posts: 354
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

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

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.

Allen Test: An occluded ulnar artery results in continued pallor of the hand while the radial artery Allen Test: An occluded ulnar artery results in continued pallor of the hand while the radial artery
Voltmeter hookup to test the voltage drop of the charging circuit. Voltmeter hookup to test the voltage drop of the charging circuit.
To test for a leak, this tester was set to the 0.020 inch hole and turned on. The ball rose in the ... To test for a leak, this tester was set to the 0.020 inch hole and turned on. The ball rose in the ...
Performing the Trendelenburg’s test: Applying tourniquet Performing the Trendelenburg’s test: Applying tourniquet
If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ... If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ...
Morgan’s test-cross analysis of genetic linkage between autosomal genes Morgan’s test-cross analysis of genetic linkage between autosomal genes
Video: Structure of a Ribosome

For a complete list of videos, visit our video library