Microbiologist Salaries Is the difference between the mean annual salaries of microbiologists in Maryland and California more than $10,000? To decide, you select a random sample of microbiologists...

Microbiologist Salaries Is the difference between the mean annual salaries of microbiologists in Maryland and California more than $10,000? To decide, you select a random sample of microbiologists from each state. The results of each survey are shown in the figure. Assume the population standard deviations are s1 = $8795 and s2 = $9250. At a = 0.05, what should you conclude?