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sneakykitti sneakykitti
wrote...
Posts: 515
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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
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Replies
wrote...
6 years ago
Answer to q. 1

B

Answer to q. 2

D
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