User Manual
Page 31
...variables-x, the independent variable, and y, the dependent variable. • StatVars displays a secondary menu of x or y. Copyright © 2006 Texas Instruments Incorporated 31 Use $ and # to locate the desired variable, and press < to calculate predicted x value when you have calculated 1-Var ...a Linear regression slope. r Correlation coefficient. Sx or Sy Îx or Îy Òx or Òy Sample standard deviation of statistical variables. Population standard deviation of x or (x,y) data points. Variables Definition n Ï or Ð Number of x or y.
...variables-x, the independent variable, and y, the dependent variable. • StatVars displays a secondary menu of x or y. Copyright © 2006 Texas Instruments Incorporated 31 Use $ and # to locate the desired variable, and press < to calculate predicted x value when you have calculated 1-Var ...a Linear regression slope. r Correlation coefficient. Sx or Sy Îx or Îy Òx or Òy Sample standard deviation of statistical variables. Population standard deviation of x or (x,y) data points. Variables Definition n Ï or Ð Number of x or y.
Teachers Guide
Page 79
... 1 measured variable-x. 2-VAR Analyzes paired data from which you can change data points once they are entered. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 75 Sum of x or y. Notes • The examples on the transparency masters assume all... and exit STAT mode. • Press < when N (no) is underlined to return to the previous screen without exiting STAT mode. 2. Population standard deviation of all x or y values. r Correlation coefficient. u displays the menu of all x values or y values. b Linear regression y-intercept. Sum...
... 1 measured variable-x. 2-VAR Analyzes paired data from which you can change data points once they are entered. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 75 Sum of x or y. Notes • The examples on the transparency masters assume all... and exit STAT mode. • Press < when N (no) is underlined to return to the previous screen without exiting STAT mode. 2. Population standard deviation of all x or y values. r Correlation coefficient. u displays the menu of all x values or y values. b Linear regression y-intercept. Sum...
Teachers Guide
Page 81
Gx2 397. Viewing the Data (Cont.) 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). Press u " " " " " Display n- Sx sx ¹ 79.4 STAT DEG n v -S-x- STAT DEG u Continued © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 77 STAT DEG ¸Gx -G-x-2 32597. sx ¹ 16.39512123 STAT DEG n v Sx -s-x- ¹ 14.66424222 STAT DEG ¸-G-x- v Sx sx 5. ¹ STAT DEG n v-
Gx2 397. Viewing the Data (Cont.) 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). Press u " " " " " Display n- Sx sx ¹ 79.4 STAT DEG n v -S-x- STAT DEG u Continued © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 77 STAT DEG ¸Gx -G-x-2 32597. sx ¹ 16.39512123 STAT DEG n v Sx -s-x- ¹ 14.66424222 STAT DEG ¸-G-x- v Sx sx 5. ¹ STAT DEG n v-
Teachers Guide
Page 110
... new variable replaces any previously stored value. Calculates the inverse tangent. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers A-5 n v or w Number of x or y. a Linear regression slope. r Correlation coefficient. Displays the following menu of variables. sx or sy Population standard deviation of all x or y values. b Linear regression y-intercept. Gx or Gy Sum of all...
... new variable replaces any previously stored value. Calculates the inverse tangent. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers A-5 n v or w Number of x or y. a Linear regression slope. r Correlation coefficient. Displays the following menu of variables. sx or sy Population standard deviation of all x or y values. b Linear regression y-intercept. Gx or Gy Sum of all...