here is a question which is due 2 hours later thanks

All conclusion must be stated according to convention shown in class 1. [15pts] A machine that fills beverage cans is supposed to put 12 ounces of beverage in each can. The following table shows the results when ten randomly selected cans are sampled. 11.77 11.85 11.87 11.96 12.03 12.03 12.09 12.18 12.28 12.36 I (a) Compute the sample standard deviation (from the calculator). (b) Perform a hypothesis test to determine whether the standard deviation is less than 0.2 ounce at the 5% significance level