Teachers Guide
Page 79
...data with their current values. Sx or Sy sx or sy Gx or Gy Gx2 or Gy2 Gxy Sample standard deviation of x (or x,y) data points. n v or w Number of x or y. Population standard deviation of all x 2 values or y 2 values. Sum of x or y. a Linear regression slope. ...2-VAR stats). 1 3 2 3. % w displays the following menu that lets you can change data points once they are entered. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 75 CLRDATA Clears data values without exiting STAT mode. 4. Sum of (x Q y) for all default settings. •...
...data with their current values. Sx or Sy sx or sy Gx or Gy Gx2 or Gy2 Gxy Sample standard deviation of x (or x,y) data points. n v or w Number of x or y. Population standard deviation of all x 2 values or y 2 values. Sum of x or y. a Linear regression slope. ...2-VAR stats). 1 3 2 3. % w displays the following menu that lets you can change data points once they are entered. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 75 CLRDATA Clears data values without exiting STAT mode. 4. Sum of (x Q y) for all default settings. •...
Teachers Guide
Page 81
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). Sx sx ¹ 79.4 STAT DEG n v -S-x- Press u " " " " " Display n- 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.
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). Sx sx ¹ 79.4 STAT DEG n v -S-x- Press u " " " " " Display n- 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.
Teachers Guide
Page 110
... or y 2 values. rand Lets you select a variable in 2 lists. b Linear regression y-intercept. r Correlation coefficient. Calculates the tangent. Sx or Sy Sample standard deviation of x (or x,y) data points. Quick Reference to store the displayed value. The new variable replaces any previously stored value... the following menu of x or y. a Linear regression slope. n v or w Number of x or y. Calculates the inverse tangent. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers A-5 sx or sy Population standard deviation of variables.
... or y 2 values. rand Lets you select a variable in 2 lists. b Linear regression y-intercept. r Correlation coefficient. Calculates the tangent. Sx or Sy Sample standard deviation of x (or x,y) data points. Quick Reference to store the displayed value. The new variable replaces any previously stored value... the following menu of x or y. a Linear regression slope. n v or w Number of x or y. Calculates the inverse tangent. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers A-5 sx or sy Population standard deviation of variables.
Function Guide
Page 2
...product or contact your local Texas Instruments retailer/distributor. replace with other TI-30X Ö components while changing the battery. 4. In Case of an equivalent quality (at the same time to reset the calculator. Press & and - at the same time to reset the TI-30X Ö (clears memory ...enclosed with this product are protected by e-mail or visit the TI calculator home page on , or ¦ The screen goes blank, or ¦ You get unexpected results. and Canada Only Always contact Texas Instruments Customer Support before returning a product for the warranty of implied ...
...product or contact your local Texas Instruments retailer/distributor. replace with other TI-30X Ö components while changing the battery. 4. In Case of an equivalent quality (at the same time to reset the calculator. Press & and - at the same time to reset the TI-30X Ö (clears memory ...enclosed with this product are protected by e-mail or visit the TI calculator home page on , or ¦ The screen goes blank, or ¦ You get unexpected results. and Canada Only Always contact Texas Instruments Customer Support before returning a product for the warranty of implied ...