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.
An exam may show problems with one or more nerves. A history of sarcoidosis followed nerve-related symptoms highly suggests neurosarcoidosis. However, symptoms of the condition can mimic other medical disorders, including diabetes insipidus, hypopituitarism, optic neuritis, meningitis, and certain tumors.lso known as: Sarcoidosis-nervous system. Neurosarcoidosis is a complication of sarcoidosis in which inflammation occurs in the brain, spinal cord, and other areas of the nervous system.