Texas Instruments TI-73VSC Guidebook - Page 142
What Do the Results Mean?, Variables, Definition, VARS Menu
UPC - 033317197750
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136 Chapter 7: Statistical Analyses What Do the Results Mean? 1-Var Stats and 2-Var Stats variables are calculated and stored as indicated below. To access these variables for use in expressions, press - } 3:Statistics and select the appropriate menu. If you edit a list or change the type of analysis, all statistical variables are cleared. Variables x or y Gx or Gy Gx2 or Gy2 Sx or Sy sx or sy n minX minY maxX maxY Gxy Q1 Med Q3 Definition VARS Menu Mean of all x or y values. XY Sum of all x values or y values. G Sum of all x2 values or y2 G values. Sample standard deviation of XY x or y. Population standard deviation XY of x or y. Number of x or x,y data points. XY Minimum of x values or y XY values. Maximum of x values or y XY values. Sum of x¦y for all xy pairs in G two lists. Median of the elements PTS between minX and Med (1st quartile). Only calculated for 1-Var Stats. Median of all data points. PTS Median of the elements PTS between Med and maxX (3rd quartile). Only calculated for 1-Var Stats.