This topic contains a solution. Click here to go to the answer

Author Question: Values of Y predicted from values of X are symbolized by . a. Ypred b. Y c. Yp d. Y ... (Read 64 times)

hubes95

  • Hero Member
  • *****
  • Posts: 561
Values of Y predicted from values of X are symbolized by .
 
  a. Ypred
 b. Y
  c. Yp
 d. Y '

Question 2

A teacher at a school obtains a sample of students by selecting a random sample of 20 students from each grade.
 
  What kind of sampling is being used here? Will the resulting sample be a simple random sample of the population of students at the school? Explain your thinking.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jamesnevil303

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

D

Answer to Question 2

This is stratified sampling. The sample obtained will not be a simple random sample because different samples of students have different chances of being selected.




hubes95

  • Member
  • Posts: 561
Reply 2 on: Aug 2, 2018
Excellent


Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

For a complete list of videos, visit our video library