Suppose a math faculty member believes that the standard deviation for her midterm is 6 points. One of her best…

Suppose a math faculty member believes that the standard deviation for her midterm is 6 points. One of her best student thinks otherwise. The student claim that the standard deviation is at most 6 points. Based on the sample of 20 students selected from the population, construct the appropriate hypothesis test at the level of significance 0.05 the standard deviation is 9