Texas Instruments TI-84 PLUS SILV Guidebook - Page 421
variance variance of a list, variance of a list variance
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turn clock off, ClockOff 356 turn clock on, ClockOn 356 turning on and off axes 75 calculator 3 coordinates 75 expressions 76 functions 70 grid 75 labels 76 points 131 stat plots 70, 212 tvm_FV (future value) 257, 376 tvm_I% (interest rate) 376 tvm_I% (interest rate) 256 tvm_N (# payment periods) 256, 376 tvm_Pmt (payment amount) 256, 376 tvm_PV (present value) 256, 376 two-proportion z confidence interval (2-PropZInt) 232, 369 two-proportion z test (2-PropZTest) 228, 369 two-sample F-Test formula 385 two-sample t test formula 386 two-variable statistics (2-Var Stats) 200, 377 U u sequence function 103 Un/d 18, 50 UnArchive 21, 330, 377 ungrouping 336 user variables 383 uv/uvAxes (axes format) 107, 377 uw/uwAxes (axes format) 107, 377 V v sequence function 103 value operation on a graph 87 variables complex 19 displaying and storing values 21 equation solver 43 graph databases 19 graph pictures 19 independent/dependent 118 list 19, 162 matrix 19, 145 real 19 recalling values 21 solver editor 43 statistical 206 string 268 test and interval output 240 types 19 user and system 20, 383 VARS and Y-VARS menus 27 variance of a list (variance( ) 176 variance of a list (variance( ) 377 variance( (variance of a list) 176, 377 VARS menu GDB 27 Picture 27 Statistics 27 String 27 Table 27 Window 27 Zoom 27 Vertical (draw line) 125, 377 viewing window 73 vw/uvAxes (axes format) 107, 377 W w sequence function 103 Web (axes format) 107, 377 web plots 109 While 283, 377 window variables function graphing 73 parametric graphing 95 polar graphing 99 X x$ (root) 379 XFact zoom factor 86 x-intercept of a root 88 xor (Boolean) exclusive or operator 63, 377 xth root (x$) 40 xyLine (() plot type 208 Y Y= editor function graphing 68 parametric graphing 93 polar graphing 98 sequence graphing 103 YFact zoom factor 86 Y-VARS menu Function 28 On/Off 28 Parametric 28 Polar 28 Z ZBox 81, 377 ZDecimal 82, 377 zero operation on a graph 88 ZInteger 83, 378 ZInterval (one-sample z confidence interval) 229, 378 zoom 80, 81, 82, 83, 85, 86 cursor 81 factors 86 function graphing 80 parametric graphing 96 polar graphing 101 sequence graphing 108 Zoom In (zoom in) 82, 378 ZOOM MEMORY menu 85 ZOOM menu 80 Zoom Out (zoom out) 82, 378 ZoomFit (zoom to fit function) 83, 378 414