An insurance company employs agents on a commission basis. It claims that, in their first year, agents will earn a mean commission of at least $40,000 and that the population standard deviation is no more than $6,000. A random sample of nine agents found for commission in the first year, measured in thousands of dollars.,The population distribution can be assumed to be normal. Test, at the 10% level, the null hypothesis that the population standard deviation is at most $6,000.
We are a professional writing service that provides original papers. Our products include academic papers of varying complexity and other personalized services, along with research materials for assistance purposes only. All the materials from our website should be used with proper references.