Author Question: Which of the following tests is considered to be more powerful? a. A one-tailed test b. A ... (Read 35 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
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
Answer to Question 1

a

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

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?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

For a complete list of videos, visit our video library