7) Do a hypothesis for the following, make sure to include and label all five steps: Test the claim that for the adult population of one town, the mean salary is $27,000. If a sample of 25 has a mean of $23,500 and a sample standard deviation of $11,200. Use a significance level of 0.05. 8) Do a hypothesis for the following, make sure to include and label all five steps: Test the claim that the weights of quarters manufactured with a new machine have a standard deviation less than .068 g. If a sample of 24 has a sample standard deviation of .051 g. Use a significance level of 0.05