1. Series 1 5.2 General Series (1/4) Series Notation n T n = 2n - 3 Term Number n (n must be positive) Example: Find the 12 th term 12 T 12 = 2 x 12 - 3 = 2 1

2. Series 2 5.2 General Series (2/4) Sigma Notation The Greek letter Σ means to sum a series.

3. Series 3 5.2 General Series (3/4) Sigma Notation The Greek letter Σ means to sum a series.

4. Series 4 5.2 Finding the Mean using Σ (4/4) Score x Tally Freq fx f 1 2 3 4 5 Σf =Σfx = 3 4 7 6 2 1x33 2x48 3x721 4x624 5x210 2266 Σfx ΣfΣf x = 66 22 = = 3 x x x x x