"tes that the mean range of their eit . ~n of 10 miles. An independent The research company - on a 5. (20 points) A certain website lists the mean annual salary for construction managers as 3. $96,000. A construction management college thinks the mean salary is higher. The college randomly samples 35 construction managers and finds the sample mean annual salary to be $101,000 with a sample standard deviation of $7,500. Is there sufficient evidence to support the college's claim at the a = 0.01 significance level