Test the mechanic's claim using the two approaches. I know the two approaches and also know I need to use the t-distribution. But without a defined significance level (or Alpha), this can't be solved. Am I missing something - please help! :)
Skin Sarcoidosis. Sarcoidosis is a progressive systemic granulomatous disease involving possibly any organ or tissue in our body. The very name sarcoidosis is derived from the fact that it causes âflesh-likeâ lesions.Sarcoidosis was first identified over 100 years ago by two dermatologists working independently, Dr. Jonathan Hutchinson in England and Dr. Caesar Boeck in Norway.Sarcoidosis was originally called Hutchinsonâs disease or Boeckâs disease.Dr. Boeck went on to fashion todayâs name for the disease from the Greek words âsarkâ and âoid,â meaning flesh-like. The term describes the skin eruptions that are frequently caused by the illness.The skin is affected in around 20 % of sarcoidosis patients.r. Boeck went on to fashion todayâs name for the disease from the Greek words âsarkâ and âoid,â meaning flesh-like. The term describes the skin eruptions that are frequently caused by the illness. The skin is affected in around 20 % of sarcoidosis patients.
In the United States, pulmonary fibrosis is the leading cause of death in sarcoidosis, which carries a mortality rate of 1% to 5%. Other complications of pulmonary sarcoidosis include mycetomas, pleural effusions, bronchiectasis, pulmonary hypertension, endobronchial stenosis, and, rarely, bullous lung disease.ummary. 1  Sarcoidosis is a systemic granulomatous disease, of unknown etiology, which most often affects the lungs, skin, and eyes. 2  In the United States, sarcoidosis is more prevalent and more severe in blacks than in whites. 3  The prevalence has been estimated at 35/100,000 in blacks and 11/100,000 in whites.