This topic contains a solution. Click here to go to the answer

Author Question: In research, the probability that any data score will be within a certain range of a mean value is ... (Read 61 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
In research, the probability that any data score will be within a certain range of a mean value is calculated based on the theory of
 
  a. frequency.
  b. inference.
  c. levels of significance.
  d. the normal curve.

Question 2

A researcher plans to apply a one-tailed test of significance when analyzing data from a study. Which is true about using this test?
 
  a. The researcher will be unable to predict whether differences are greater than or less than the mean value.
  b. This is a nondirectional hypothesis, so values will not have a tendency to vary in a specific direction.
  c. This may increase the possibility of a Type I error when evaluating the significance of the findings.
  d. This will decrease the possibility of a Type II error when drawing conclusions about the data.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bison

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

ANS: D

Answer to Question 2

ANS: D




leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 8, 2018
Wow, this really help


phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

For a complete list of videos, visit our video library