Casio FX-7400G User Manual

Also see for fx-7400G: Programing manual Manual Manual Function guide Manual

Contents

109Statistical Graphs and Calculations Chapter 7The following are the meanings of the above parameters.a ...... Regression coefficientb ...... Regression powerr ...... Correlation coefficientkkkkk Displaying Paired-Variable Statistical ResultsPaired-variable statistics can be expressed as both graphs and parameter values.When these graphs are displayed, the menu at the bottom of the screen appears asbelow.[4(2VAR) ...... Paired-variable calculation result menuPressing 4 (2VAR) displays the following screen.4(2VAR)• Use c to scroll the list so you can view the items that run off the bottom of thescreen. The following describes the meaning of each of the parameters._x ..................... Mean of x List data# x ................... Sum of x List data# x 2 .................. Sum of squares of x List datax "n .................. Population standard deviation of x List datax "n-1 ................ Sample standard deviation of x List datan ..................... Number of x List data items_y ..................... Mean of y List data# y ................... Sum of y List data# y 2 .................. Sum of squares of y List datay "n .................. Population standard deviation of y List datay "n-1 ................ Sample standard deviation of y List data# xy .................. Sum of x List and y List dataminX ............... Minimum of x List datamaxX .............. Maximum of x List dataminY ............... Minimum of y List datamaxY .............. Maximum of y List data1 2 3 4P.102(G-Type)