Posted by Anonymous on .
According to Beautiful Bride magazine, the average age of a groom is now 26.2 years. A sample of 16 prospective grooms in Chicago revealed that their average age was 26.6 years with a standard deviation of 5.3 years. What is the test value for a t test of the claim?

statistics 
PsyDAG,
What level of significance are you using? P = .05? P = .01? Something else?