This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When the correlation between X and Y is zero, then the safest prediction of Y which can be made, ... (Read 31 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Jun 20, 2018
When the correlation between X and Y is zero, then the safest prediction of Y which can be made, give information on X,
 
  a. is the mean of X
  b. is the mean of Y
  c. is the mean of the combined distributions of X and Y
  d. none of these

Question 2

When the null hypothesis is rejected, then we know for certain that
 
  a. the mean of the sample equals the mean of the population
  b. the mean of the sample differs from the mean of the population
  c. the mean of the sample is a biased estimator
  d. none of these, since the statistical decision is a probability statement and not a statement of certainty


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

janieazgirl

  • Sr. Member
  • ****
  • Posts: 300
Reply #1 on: Jun 20, 2018
Answer to Question 1

b

Answer to Question 2

d


Yolanda

  • Member
  • Posts: 757
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells
Have you wondered what Nutella made of! Have you wondered what Nutella made of!
A solution is made by adding 0.100 mole of ethyl ether to 0.401 mole of ethyl alcohol. If the ... A solution is made by adding 0.100 mole of ethyl ether to 0.401 mole of ethyl alcohol. If the ...
Illustrated correlation between the Mendelian postulates of unit factors Illustrated correlation between the Mendelian postulates of unit factors
Chart showing average yearly dose of radiation from natural and human-made sources Chart showing average yearly dose of radiation from natural and human-made sources
Table - Correlation Analysis Table - Correlation Analysis
Video: Neurotransmission at chemical synapses & Excitory and inhibitory potentials

For a complete list of videos, visit our video library