Your candidacy for elected class representative is being opposed by Slick Sally. Your election committee has surveyed six of the students in your class and had them rank Sally on a scale of 0–10. The rankings were 2, 8, 7, 10, 5, 8. (a) Find the sample mean and standard deviation. HINT [See Example 1 and Quick Examples 1 and 2.] (Round your answers to two decimal places.) sample meanstandard deviation (b) Assuming that the sample mean and standard deviation are indicative of the class as a whole, in what range does the empirical rule predict that approximately 95% of the class will rank Sally? (Include only practical values in your interval. Round your