Math 131 Unit 1 Extra Credit - 2 Points Each - You must show all work to receive full credit 1. The following set of data gives the daily commutes for teachers at a local elementary school in minutes. 6, 7, 8, 8,911, 12, 16, 19, 19, 24, 29, 92 7 16 92 29 19 12 H 8/ 8 19 24 9 a. Find the mean, median, and mode for this set of data. mean = 20 median=. mode : b. If you could only present one of these as the "average", which would you choose. EXPLAIN YOUR CHOICE 2. Use the following information to answer a - c. 10; 11; 15; 15; 17; 22 a. Compute the mean and standard deviation for this data;use the sample formula for the standard deviation. b. What number is two standard deviations above the mean of this data? c. Express the number 13.7 in terms of the mean and standard deviation of this data. 3. The mean cell phone bill for a group of college students is $78.54 with a standard deviation of $12.31. Use Chebyshev's Theorem to give an interval with its probability for this data. Write the result in sentence form. Page 1 of 4