A rivet is to be inserted into a hole. A random sample of nequals 15 parts is selected and the hole diameter is measured. Thesample standard deviation is millimeters. Is there strong evidenceto indicate that the standard deviation of hole diameter exceeds0.01 millimeters? Use (a) Calculate the test statistic Round youranswer to two decimal places (e.g. 98.76). (b) Is there strongevidence to indicate that the standard deviation of hole diameterexceeds 0.01 millimeters?
