Students graduating from college have an average credit card debt of 2,700." A sample of 40 college graduates averaged 2,450 in credit card debt. Assume the population standard deviation is 950. Using...

Students graduating from college have an average credit card debt of 2,700." A sample of 40 college graduates averaged 2,450 in credit card debt. Assume the population standard deviation is 950. Using a = 0.05, test your hypothesis. What is your conclusion?