10:13 8 BI . I. X = 13, 18, 24 3. Which diver is more consistent? 2. X = 3.5. 7. 10, 10 Dive Mark Leo 28 27 a. Find the sample variance 2 22 27 and Standard Deviation 3 21 28 b. Find the population A variance and Standard 26 6 18 Deviation 27 a. Find the mean, median, range and variance Find the sample variance and Standard Deviation Find the population variance and Standard Deviation 4. X 6 7 8 19 6. 10 Time (mins) 5-8 9-12 13-16 17-20 21-24 f 2 5 3 7 14 5 7 3 2 18 5 7 X 12 18 20 21 8 Test 11-20 21-30 31-40 41-50 51-60 f 3 4 1 2 7 scores f 5 9 18 20 8 8. X = 30, 25, 45 a. Find the mean 9. Ex =920 Ex = 20,190 b. Find the sample variance N= 20 and Standard Deviation 10. C . Find the population Avera 71- 76- 81-85 86- 91-95 ge 75 80 90 variance and Standard Deviation 8 15 18 19 10 20 of 23 O