« previous next »

Author Question: If X is independent of Y, the safest Y pred., given information about X, is the mean of the Y ... (Read 30 times)

ghost!

  • Hero Member
  • *****
  • Posts: 560
on: Jun 20, 2018
If X is independent of Y, the safest Y pred., given information about X, is the mean of the Y distribution.
 
  Indicate whether the statement is true or false

Question 2

Another researcher attempted to shorten the NCAA test
  shown above and reduced the number of items to only 20. The mean on this
  revision was 10 with an SD of 3. Find its KR21 reliability.
 
  What will be an ideal response?


nathang24

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jun 20, 2018
Answer to Question 1

T

Answer to Question 2

KR21 = .468


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

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?

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?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus
Meiosis Accounts for Independent Assortment of Alleles p1 Meiosis Accounts for Independent Assortment of Alleles p1
Healed bone fractures can provide clues about activities and fresh fractures can yield information a Healed bone fractures can provide clues about activities and fresh fractures can yield information a
A vehicle emission control information (VECI) sticker on a flexible fuel vehicle. A vehicle emission control information (VECI) sticker on a flexible fuel vehicle.
Milk Label Containing Information about the Use of rBGH Milk Label Containing Information about the Use of rBGH
Management Information Systems: Managing the Digital Firm, 15th Edition Management Information Systems: Managing the Digital Firm, 15th Edition
Video: Methods that regulate pH

For a complete list of videos, visit our video library