1 If the test statistic follows the t distribution, then the decision rule will be based on the t distribution. The appropriate critical value will be selected from the t distribution again depending on the specific alternative hypothesis and the level of significance.  The third factor is the level of significance.
Often there are no, or only mild, symptoms. When it affects the lungs there may be wheezing, cough, shortness of breath, or chest pain. Some may have Lofgren's syndrome in which there is fever, large lymph nodes, arthritis, and a rash known as erythema nodosum. The cause of sarcoidosis is unknown.
Can sarcoidosis cause weight loss. Can sarcoidosis cause fatigue Can sarcoidosis cause tiredness. Weight loss. The strange thing with one of the first sarcoid symptoms is the weight loss, though my appetite was just the same weight poured and tumbled off me, this started before I was diagnosed. I went from around 11.5 stone to about eight stone in the region of four months.