× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
r
4
L
4
3
d
3
M
3
l
3
V
3
s
3
d
3
a
3
g
3
j
3
Home Q & A Board Science-Related Homework Help Psychology
New Topic  
Jkader Jkader
wrote...
Go to Answer
Posts: 498
Rep: 0 0
6 years ago
Suppose that the correlation between height and weight for adults is +0.40. What proportion (or percent) of the variability in weight can be explained by the relationship with height?
 
  A) 40
  B) 60
  C) 16
  D) 84

Question 2

What happens to the standard error of M as sample size increases?
 
  A) It also increases.
  B) It decreases.
  C) It stays constant.
  D) The standard error does not change in a predictable manner when sample size increases.

Question 3

A set of n = 15 pairs of scores (X and Y values) produces a correlation of r = 0.40. If each of the X values is multiplied by 2 and the correlation is computed for the new scores, what value will be obtained for the new correlation?
 
  A) r = 0.20
  B) r = 0.40
  C) r = 0.80
  D) This cannot be determined without knowing all the X and Y scores.

Question 4

What happens to the expected value of M as sample size increases?
 
  A) It also increases.
  B) It decreases.
  C) It stays constant.
  D) The expected value does not change in a predictable manner when sample size increases.
Read 55 times
1 Reply
Replies
Answer verified by a subject expert
domsantos1998domsantos1998
wrote...
#1
Posts: 343
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Jkader Author
wrote...

6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
macbookpro1
wrote...

Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
sakoon
wrote...

2 hours ago
Thanks for your help!!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1644 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 559
  
 171
  
 418
Your Opinion
Which is the best fuel for late night cramming?
Votes: 231
Previous poll results: What percentage of nature vs. nurture dictates human intelligence?