the glen valley steel company manufactures steel bars. if the production process is working properly, it turns out steel bars that are normally distributed with a mean length of 2.6 feet. Either longer steel bars or shooters bars must be scrapped. the research department is wondering if the company should adjust the production equipment a random sample of 24 bars was selected, and the mean length is 2.37 fed with a variance of 0.09.

A) State Null hytphteiss and Altneravtive Hyptohesis

B) Calculate the value of Test Statistic