× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
p
4
h
4
c
4
d
3
3
c
3
t
3
u
3
A
3
B
3
j
3
s
3
Home Q & A Board Science-Related Homework Help Psychology
New Topic  
Sakura Sakura
wrote...
Posts: 485
Rep: 1 0
6 years ago
If high scores on X are paired with low scores on Y, the covariance is going to be
 
  a. positive.
  b. negative.
  c. zero.
  d. There is no way to tell.

Question 2

For a given set of data the covariance between X and Y is .80. The standard deviation of X is 2.0, and the standard deviation of Y is 3.0. The resulting correlation is closest to
 
  a. .00
  b. .15
  c. .80
  d. -.30

Question 3

The covariance will always
 
  a. be a positive number.
  b. be larger than the variance.
  c. reflect the direction of the relationship.
  d. be less than 1.0.
Read 52 times
1 Reply

Related Topics

Replies
wrote...
#1
6 years ago
Answer to q. 1

B

Answer to q. 2

B

Answer to q. 3

C
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1217 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1202
  
 337
  
 400