Teachers Guide
Page 82
... TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for 1-VAR stats; EXIT ST: Y N • Press < when Y (yes) is underlined to clear data values and exit STAT mode. • Press < when N (no) is underlined to return to the previous screen without exiting STAT mode. 2. u displays the menu of data with their current values. Sample standard deviation of... 2 lists. x and y for all default settings. • To save the last data point or frequency value entered, you enter data points (x for Teachers 75 Population standard deviation of x or y. Linear regression slope.
... TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for 1-VAR stats; EXIT ST: Y N • Press < when Y (yes) is underlined to clear data values and exit STAT mode. • Press < when N (no) is underlined to return to the previous screen without exiting STAT mode. 2. u displays the menu of data with their current values. Sample standard deviation of... 2 lists. x and y for all default settings. • To save the last data point or frequency value entered, you enter data points (x for Teachers 75 Population standard deviation of x or y. Linear regression slope.
Teachers Guide
Page 84
STAT DEG %Gx Gx 2 ---32597. STAT DEG n -v Sx sx 79.4 & STAT DEG n v Sx sx & --- 16.39512123 STAT DEG n v Sx sx & --- 14.66424222 STAT DEG %Gx Gx 2 --- 397. STAT DEG u © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 77 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). Press u " " " " " Continued Display n v Sx sx & - 5.
STAT DEG %Gx Gx 2 ---32597. STAT DEG n -v Sx sx 79.4 & STAT DEG n v Sx sx & --- 16.39512123 STAT DEG n v Sx sx & --- 14.66424222 STAT DEG %Gx Gx 2 --- 397. STAT DEG u © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 77 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). Press u " " " " " Continued Display n v Sx sx & - 5.
Teachers Guide
Page 113
...current values. A B C D E Lets you select a variable in 2 lists. Calculates the inverse tangent. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for all x 2 values or y 2 values. Quick ...Reference to store the displayed value. rand Lets you can select 1-VAR, 2-VAR, or CLRDATA. 1-VAR Analyzes data from 2 sets of (x Q y) for Teachers A-5 Gx2 or Gy2 Sum of all xy pairs in which you set of x or y. Calculates the tangent. Population standard deviation...
...current values. A B C D E Lets you select a variable in 2 lists. Calculates the inverse tangent. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for all x 2 values or y 2 values. Quick ...Reference to store the displayed value. rand Lets you can select 1-VAR, 2-VAR, or CLRDATA. 1-VAR Analyzes data from 2 sets of (x Q y) for Teachers A-5 Gx2 or Gy2 Sum of all xy pairs in which you set of x or y. Calculates the tangent. Population standard deviation...