In Your Bid to Be Elected Class Representative, You Have $\bar { x } =$

Short Answer

In your bid to be elected class representative, you have your election committee survey five randomly chosen students in your class and ask them to rank you on a scale of 0 - 10. Your rankings are 6, 2, 7, 4, 8.

(a) Find the sample mean, rounded to two decimal places.
$\bar { x } =$ __________

(b) Calculate the sample standard deviation, rounded to two decimal places.
$5 \approx$ __________

(c) Assuming the sample mean and standard deviation are indicative of the class as a whole, in what range does the empirical rule predict that approximately 68% of the class will rank you