Advanced Math Topics Review

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.

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

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

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

4) Using the frequency distributionfind the: a) meanb) medianc) mode IntervalFrequency

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

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

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

Correct them!

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

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

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) b) 25 c) no mode

4) Using the frequency distributionfind the: a) meanb) medianc) mode IntervalFrequency Answer: a) 44.5 b) 44.5 c) The interval 49-56

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

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

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

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

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.