« 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 31 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 shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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
The Punnett square of a dihybrid cross demonstrates Mendel’s law of independent assortment. The Punnett square of a dihybrid cross demonstrates Mendel’s law of independent assortment.
Everyday situations sometimes present opportunities for children to build information processing ... Everyday situations sometimes present opportunities for children to build information processing ...
The medical assistant reviews the PDR for information related to a drug. The medical assistant reviews the PDR for information related to a drug.
A Bluetooth adapter that plugs into the DLC and transmits global OBD II information to a smart phone ... A Bluetooth adapter that plugs into the DLC and transmits global OBD II information to a smart phone ...
The NIOSH Pocket Guide entry for gasoline. Useful information includes health effects and chemical ... The NIOSH Pocket Guide entry for gasoline. Useful information includes health effects and chemical ...
Video: Plant Defense Mechanisms from Pathogens

For a complete list of videos, visit our video library