Author Question: If the proportion of persons answering a given item correctly were to reach 95, then the item ... (Read 58 times)

ap345

  • Hero Member
  • *****
  • Posts: 537
If the proportion of persons answering a given item correctly were to reach
  95, then the item would be assigned
 
  a. a .95 confidence level
  b. a .95 alpha error
  c. a .95 discrimination index
  d. a .95 difficulty index

Question 2

The null hypothesis for the one-way 2 is _____.
 
  a. expected frequencies equal observed frequencies
  b. expected frequencies are equal to each other
  c. observed frequencies are equal to each other
  d. fos  fes



matt

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

d

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

For a complete list of videos, visit our video library