A rods manufacturer makes rods with a length that is supposed to be 15 inches. A quality control technician sampled 29 rods and found that the sample mean length was 15.05 inches and the sample standard deviation was 0.11 inches. The technician claims that the mean rod length is more than 15 inches. What type of hypothesis test should be performed0 Select What is the test statistic? Ex: 0.123 What is the number of degrees of freedom? Ex:20 at thea = 0.05 significance level to support the Does sufficient evid technician's claim? Select v