S sandra2223 New member Joined Oct 14, 2009 Messages 8 Nov 6, 2009 #1 i really need help.. i just dont understand at all . please explain to me. Thanks in advance. Assume the value of the population standard deviation is ?=100 what is the p-value of the test? what is the value of the test statistic that should be used since we now know ??

i really need help.. i just dont understand at all . please explain to me. Thanks in advance. Assume the value of the population standard deviation is ?=100 what is the p-value of the test? what is the value of the test statistic that should be used since we now know ??

G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,216 Nov 6, 2009 #2 We can not figure much out with just a standard deviation to go with.

S sandra2223 New member Joined Oct 14, 2009 Messages 8 Nov 6, 2009 #3 are you saying, it is impossible? its part of my hw unless its a trick question :/

G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,216 Nov 6, 2009 #4 Yes, it is. There is not enough information. How can we find a test statistic and all with nothing more than that?.

Yes, it is. There is not enough information. How can we find a test statistic and all with nothing more than that?.