Teachers Guide
Page 79
Mean of all x values or y values. Population standard deviation of x or y. b Linear regression y-intercept. Notes • The examples on the transparency masters assume all default settings. • To save the ...Gx2 or Gy2 Gxy Sample standard deviation of x or y. v lets you enter data points (x for 1-VAR stats; r Correlation coefficient. n v or w Number of all xy pairs in 2 lists. Statistics 12 Keys 1. % t displays a menu from which you can change data points once they are entered. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For...
Mean of all x values or y values. Population standard deviation of x or y. b Linear regression y-intercept. Notes • The examples on the transparency masters assume all default settings. • To save the ...Gx2 or Gy2 Gxy Sample standard deviation of x or y. v lets you enter data points (x for 1-VAR stats; r Correlation coefficient. n v or w Number of all xy pairs in 2 lists. Statistics 12 Keys 1. % t displays a menu from which you can change data points once they are entered. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For...
Teachers Guide
Page 81
Press u " " " " " Display n- sx ¹ 16.39512123 STAT DEG n v Sx -s-x- ¹ 14.66424222 STAT DEG ¸-G-x- STAT DEG ¸Gx -G-x-2 32597. Sx sx ¹ 79.4 STAT DEG n v -S-x- Gx2 397. v Sx sx 5. ¹ STAT DEG n v- STAT DEG u Continued © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 77 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 ¹ 16.39512123 STAT DEG n v Sx -s-x- ¹ 14.66424222 STAT DEG ¸-G-x- STAT DEG ¸Gx -G-x-2 32597. Sx sx ¹ 79.4 STAT DEG n v -S-x- Gx2 397. v Sx sx 5. ¹ STAT DEG n v- STAT DEG u Continued © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 77 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).
Teachers Guide
Page 110
... menu of stat variables with their current values. The 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. sx or sy Population standard deviation of (x Q y) for random integers. r Correlation coefficient. A B C D E Lets you set a seed value for all x ... y 2 values. Quick Reference to store the displayed value. a Linear regression slope. Gx or Gy Sum of all x or y values. Gxy Sum of x or y. Calculates the tangent.
... menu of stat variables with their current values. The 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. sx or sy Population standard deviation of (x Q y) for random integers. r Correlation coefficient. A B C D E Lets you set a seed value for all x ... y 2 values. Quick Reference to store the displayed value. a Linear regression slope. Gx or Gy Sum of all x or y values. Gxy Sum of x or y. Calculates the tangent.
Function Guide
Page 2
... time. Operates in other TI-30X Ö components while changing the battery. 4. e-mail: Internet: ti-cares@ti.com www.ti.com/calc Product Service Customers in the U.S. Other TI Products and Services Visit the TI calculator home page on , or ¦ The screen goes blank, or ¦ You get unexpected results. Warranty Duration. TEXAS INSTRUMENTS SHALL NOT BE LIABLE FOR...
... time. Operates in other TI-30X Ö components while changing the battery. 4. e-mail: Internet: ti-cares@ti.com www.ti.com/calc Product Service Customers in the U.S. Other TI Products and Services Visit the TI calculator home page on , or ¦ The screen goes blank, or ¦ You get unexpected results. Warranty Duration. TEXAS INSTRUMENTS SHALL NOT BE LIABLE FOR...