HP 48gII Graphing Calculator User Manual
Page 609
Página 18-21
• Determine la ecuación apropiada y sus estadísticas:
@)STAT @)FIT@ @£LINE
produce
'1.5+2*X'
@@@LR@@@ produce
Intercept: 1.5, Slope: 2
3
@PREDX
produce
0.75
1
@PREDY
produce
3.
50
@CORR produce
1.0
@@COV@@ produce
23.04
L@PCOV
produce
19.74…
• Obtener estadísticas adicionales para columnas 1 y 2: @)STAT @)SUMS:
@@@£X@@
produce 38.5
@@@£Y@@
produce 87.5
@@£X2@
produce 280.87
@@£Y2@
produce 1370.23
@@£XY@ produce
619.49
@@@N£@@
produce 7
• Ajustar datos en 1 (x) y 3 (y) usando un ajuste logarítmico:
L @)STAT @)£PAR 3 @YCOL
seleccionar Ycol = 3, y
@)MODL @LOGFI
seleccionar Model = Logfit
L @)STAT @PLOT @SCATR
produce diagrama de y vs. x
@STATL
muestra línea para ajuste logarítmico
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