/15 (0 pts) 6 Saved Help Save & Exit Submit Check my work HouS 12 Huu > 12 A random sample of 10 observations is selected from a normal population. The sample mean was 16 and the sample standard deviation 3.4. Using the 0.01 significance level: a. State the decision rule. (Round your answer to 3 decimal places.) SK Roject Hof b. Compute the value of the test statistic (Negative answers should be indicated by a minus sign. Round your answer to 3 decimal places.) Seved Seved Help Save & Exit Subm Check my work Value of the test statistie c. What is your decision regarding the null hypothesis? Ho. There is evidence to conclude that the population mean is greater than 12 Prev 1 of 3 Score answer