1. Advanced Math Topics 3.1-3.3 Review

2. Each team needs two answer sheets and at least one calculator. Each team needs two answer sheets and at least one calculator. Like on the quiz, round all decimals to the nearest hundredth. Like on the quiz, round all decimals to the nearest hundredth.

3. 1) Using this set of values for x: 3, 4, 8, 9, 10, 11, find: Σ (2x) 2

4. 2) Using this set of values for x: 7, 4, 8, 4, 10, 8 and y: 5, 4, 3, 9, 14, 2 find: (Σ ) xy 2

5. 3) Using the values 23, 19, 28, 14, 18, 27, 29, and 35… find the: a) meanb) medianc) mode

6. 4) Using the frequency distributionfind the: a) meanb) medianc) mode IntervalFrequency 17-245 25-327 33-409 41-4811 49-5612 57-644 65-726

7. 5) Find the average height. HeightFrequency 67’’8 68’’7 69’’17 70’’11 71’’14 72’’7 73’’10

8. 6) Using this set of values for x: 23, 4, 17, 39, 10, 21, find the average deviation:

9. 7) Using this set of values for x: 33, 42, 18, 39, 15, 23, find the sample variance & standard deviation:

10. Correct them!

11. 1) Using this set of values for x: 3, 4, 8, 9, 10, 11, find: Σ (2x) 2 Answer: 1564

12. 2) Using this set of values for x: 7, 4, 8, 4, 10, 8 and y: 5, 4, 3, 9, 14, 2 find: (Σ ) xy 2 Answer: 71,289

13. 3) Using the values 23, 19, 28, 14, 18, 27, 29, and 35… find the: a) meanb) medianc) mode All 3 must be correct to get 1 point, Answer: a) 24.13 b) 25 c) no mode

14. 4) Using the frequency distributionfind the: a) meanb) medianc) mode IntervalFrequency 17-245 25-327 33-409 41-4811 49-5612 57-644 65-726 Answer: a) 44.5 b) 44.5 c) The interval 49-56

15. 5) Find the average height. HeightFrequency 67’’8 68’’7 69’’17 70’’11 71’’14 72’’7 73’’10 Answer: 70.04

16. 6) Using this set of values for x: 23, 4, 17, 39, 10, 21, find the average deviation: Answer: 8.67

17. 7) Using this set of values for x: 33, 42, 18, 39, 15, 23, find the sample variance & standard deviation: Answer: 127.07 and 11.27

18. Tiebreaker) Using this set of values for x: 91, 88, 87, 85, 89, find the standard deviation: Answer: 2.24

19. For the quiz….one sheet of line or graph paper, a pencil, and a calc. For the quiz….one sheet of line or graph paper, a pencil, and a calc.