If there are two groups containing 30 and 20 observations and having 50 and 60 as arithmetic means, then the combines average is:
In my opinion, it is 54..if you think anything else, please state how??
THANKS in ADVANCE
Satvir Singh (Newly minted CA) (1733 Points)
04 December 2009If there are two groups containing 30 and 20 observations and having 50 and 60 as arithmetic means, then the combines average is:
In my opinion, it is 54..if you think anything else, please state how??
THANKS in ADVANCE
CA Paras jain
(Audit Senior Assistant)
(1544 Points)
Replied 04 December 2009
satvir i think u r right..
it should be 54 only...
Satvir Singh
(Newly minted CA)
(1733 Points)
Replied 04 December 2009
yeah, it should be 54. but model test paper is showing 56 as correct answer
Deep@k $ingh@l
(CA>FINAL May'14)
(595 Points)
Replied 04 December 2009
abhishek kumar
(ranchi)
(24 Points)
Replied 26 January 2011
30*50=1500
20*60=1200
1500+1200=2700
2700/50=54
i think you are right
akash
(student)
(53 Points)
Replied 28 January 2011
ya it is 54.by mistake d ans mst hav been printen 56
CAclubindia
