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 61 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
Thanks for the timely response, appreciate it

vickyvicksss

  • Member
  • Posts: 351
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
Pap smear. Cells of the cervix (shown in the center) change in appearance as they progress through Pap smear. Cells of the cervix (shown in the center) change in appearance as they progress through
IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br
Table - Correlation Analysis Table - Correlation Analysis
Table - Correlation Analysis Table - Correlation Analysis
"The Department of Agriculture came out today with its prediction for food price "The Department of Agriculture came out today with its prediction for food price
Video: The 4 steps of translation Animation

For a complete list of videos, visit our video library