Teachers Guide
Page 95
n v or w Number of x (or x,y) data points Mean of all x or y values Sx or Sy sx or sy Gx or Gy Gx2 or Gy2 Gxy a Sample standard deviation of x or y Population standard deviation of x or y Sum of all x values or y values Sum of all x2 values or y2 values Sum of (x times y) for 2-VAR stats). 1 3 4 2 3. %w displays... < or $. • You can select 1-VAR, 2-VAR or CLRDATA. 1-VAR Analyzes data from which you can change data points once they are entered. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for 1-VAR stats;
n v or w Number of x (or x,y) data points Mean of all x or y values Sx or Sy sx or sy Gx or Gy Gx2 or Gy2 Gxy a Sample standard deviation of x or y Population standard deviation of x or y Sum of all x values or y values Sum of all x2 values or y2 values Sum of (x times y) for 2-VAR stats). 1 3 4 2 3. %w displays... < or $. • You can select 1-VAR, 2-VAR or CLRDATA. 1-VAR Analyzes data from which you can change data points once they are entered. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for 1-VAR stats;
Teachers Guide
Page 97
STAT u © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers 91 STAT " n -‡ Sx „x ¹ 79.4 STAT " n ‡ Sx „x ¹ -- 16.39512123 STAT " n ‡ Sx „x ¹ -- 14.66424222... ¸-Š-" Šx2 397. Press u Display n- ‡ Sx „x ¹ 5. Viewing the Data (Continued) Find the number of data points (n), the mean (v), the sample standard deviation (Sx), the population standard deviation (sx), the sum of the scores (Gx), and the sum of the squares (Gx2). STAT " ¸Š" -Š-x-2 32597.
STAT u © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers 91 STAT " n -‡ Sx „x ¹ 79.4 STAT " n ‡ Sx „x ¹ -- 16.39512123 STAT " n ‡ Sx „x ¹ -- 14.66424222... ¸-Š-" Šx2 397. Press u Display n- ‡ Sx „x ¹ 5. Viewing the Data (Continued) Find the number of data points (n), the mean (v), the sample standard deviation (Sx), the population standard deviation (sx), the sum of the scores (Gx), and the sum of the squares (Gx2). STAT " ¸Š" -Š-x-2 32597.
Teachers Guide
Page 132
... Sy Sample standard deviation of x or y sx or sy Population standard deviation of x or y Gx or G y Sum of all x values or y values Gx2 or G y2 Sum of all xy pairs in which you can select 1-VAR, 2-VAR, or CLRDATA. 1-VAR Analyzes data from 1 set a seed value for random integers. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide...
... Sy Sample standard deviation of x or y sx or sy Population standard deviation of x or y Gx or G y Sum of all x values or y values Gx2 or G y2 Sum of all xy pairs in which you can select 1-VAR, 2-VAR, or CLRDATA. 1-VAR Analyzes data from 1 set a seed value for random integers. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide...
General Information
Page 2
Enter the operation (any combination of numbers, operators, or menu items and their arguments). 3. The TI-34 Ö automatically calculates the result (without pressing Press % n or % p. 2. Press < to save the operation to OP1 or OP2 and recall it: 1. m or o recalls and displays the operation on the entry line. Stored Operations m o % n p The TI-34 Ö stores two operations, OP1 and OP2. To store an operation to memory. 4.
Enter the operation (any combination of numbers, operators, or menu items and their arguments). 3. The TI-34 Ö automatically calculates the result (without pressing Press % n or % p. 2. Press < to save the operation to OP1 or OP2 and recall it: 1. m or o recalls and displays the operation on the entry line. Stored Operations m o % n p The TI-34 Ö stores two operations, OP1 and OP2. To store an operation to memory. 4.