PDA

View Full Version : please help.



sandra2223
11-06-2009, 02:16 AM
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 ??

galactus
11-06-2009, 02:29 PM
We can not figure much out with just a standard deviation to go with.

sandra2223
11-06-2009, 04:00 PM
are you saying, it is impossible? its part of my hw unless its a trick question :/

galactus
11-06-2009, 04:17 PM
Yes, it is. There is not enough information. How can we find a test statistic and all with nothing more than that?.