× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
New Topic  
sneakykitti sneakykitti
wrote...
Posts: 515
Rep: 0 0
6 years ago
One sample with n = 4 scores has a mean of M = 12, and a second sample with n = 6 scores has a mean of M = 8. If the two samples are combined, what is the weighted mean for the combined set of scores?
 
  A) 4.8
  B) 9.6
  C) 10.0
  D) 19.2

Question 2

A population has a mean of  = 30. If 3 points are added to each score, what is the mean for the new distribution?
 
  A) 3
  B) 27
  C) 30
  D) 33
Read 52 times
1 Reply

Related Topics

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

B

Answer to q. 2

D
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  858 People Browsing
 124 Signed Up Today
Related Images
  
 237
  
 245
  
 267
Your Opinion
Who will win the 2024 president election?
Votes: 3
Closes: November 4