The commercial for the new Meat Man Barbecue claims that it takes 16 minutes for assembly. A consumer advocate thinks that the assembly time is different than 16 minutes. The advocate surveyed 13...

The commercial for the new Meat Man Barbecue claims that it takes 16 minutes for assembly. A consumer advocate thinks that the assembly time is different than 16 minutes. The advocate surveyed 13 randomly selected people who purchased the Meat Man Barbecue and found that their average time was 14.3 minutes. The standard deviation for this survey group was 2.6 minutes.  What can be concluded at the the αα = 0.01 level of significance level of significance?

1. For this study, we should use Select an answer t-test for a population mean z-test for a population proportion


2. The null and alternative hypotheses would be: