a batch of medicines are labelled as having a net weight of 680 ga ran

Question

A batch of medicines are labelled as having a net weight of 680 g.A random sample of nine of these packets had the following net weights (in g): 682, 675, 685, 677, 670, 678, 672, 680, 675 Based on this sample, test at 5% significance level if the labeling is correct. 1. Find the mean and standard deviation for the data set using Minitab 2. Now use these values to conduct the hypothesis test. 3. Name the hypothesis test you will conduct(one sample, z or t test?) 4. Is it a one or two tail test? 5. Write down the null and alternative hypothesis 6. Conduct the hypothesis test using Minitab and paste the output in the answer space 7. Is the null hypothesis accepted or rejected?How did you decide this?