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 18 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
Gracias!

coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

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.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Cambrian trilobite, with a shell made of calcium carbonate. Cambrian trilobite, with a shell made of calcium carbonate.
Walrus tusk engraving made by Chukchi artisans depicting polar bears attacking walruses. On display Walrus tusk engraving made by Chukchi artisans depicting polar bears attacking walruses. On display
Here's how comic book heroes are made Here's how comic book heroes are made
In 2009, historian Woody Holton described how Abigail Adams shrewdly invested in the Continental Con In 2009, historian Woody Holton described how Abigail Adams shrewdly invested in the Continental Con
A simple and easy-to-use tester can be made from a lighter plug and double banana plug that fits ... A simple and easy-to-use tester can be made from a lighter plug and double banana plug that fits ...
Correlation between the Mendelian postulates of segregation Correlation between the Mendelian postulates of segregation
Video: Calvin Cycle Explained!

For a complete list of videos, visit our video library