« previous next »

Author Question: It has been determined that 30 percent of a test's total variance is error. What is the test's ... (Read 73 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
on: Jun 20, 2018
It has been determined that 30 percent of a test's total variance is error. What is the test's reliability coefficient?
 
  a. .30 c. .70
  b. .60 d. .75

Question 2

A test has a reliability coefficient of .75 and a standard deviation of 10 . What is the standard error of measurement of this test?
 
  a. 5.00
  b. 8.00
  c. 10.00
  d. 20.00
  e. 32.00


strudel15

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Any number of crossovers gives 50 percent recombinants Any number of crossovers gives 50 percent recombinants
Harlem’s Promise Academy has a record of graduating and sending to college more than 90 percent ... Harlem’s Promise Academy has a record of graduating and sending to college more than 90 percent ...
Badly burned exhaust valve. A compression test could have detected a problem, and a cylinder ... Badly burned exhaust valve. A compression test could have detected a problem, and a cylinder ...
The Turing Test The Turing Test
Anglin's estimates of the total vocabulary of children in Grades 1, 3, and 5 Anglin's estimates of the total vocabulary of children in Grades 1, 3, and 5
Here’s how you can demonstrate sampling error Here’s how you can demonstrate sampling error
Video: Normal and abnormal blood pH

For a complete list of videos, visit our video library