Author Question: On a multiple choice test with 8 questions, each question has four possible answers, one of which is ... (Read 63 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
On a multiple choice test with 8 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the standard deviation for the number of correct answers.
 
  A) 1.44 B) 1.5 C) 1.225 D) 1.313

Question 2

If scores are normally distributed in the populations sampled, then .
 
  a. parametric tests are less likely to detect the effect of the independent variable
  b. nonparametric tests are more likely to result in Type I errors
  c. parametric and nonparametric tests are equally likely to detect the effect of anindependent variable
 d. nonparametric tests are more likely to result in Type II errors



johnpizzaz

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

C

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

For a complete list of videos, visit our video library