HP 10bII - Page 96

96 8: Additional Examples
Forecasting Based on History
2QHPHWKRGRIIRUHFDVWLQJVDOHVPDQXIDFWXULQJUDWHVRUH[SHQVHVLV
UHYLHZLQJKLVWRULFDOWUHQGV2QFH\RXKDYHKLVWRULFDOGDWDWKHGDWDDUHILW
WRDFXUYHWKDWKDVWLPHRQWKH[D[LVDQGTXDQWLW\RQWKH\D[LV
Example. *LYHQWKHIROORZLQJVDOHVGDWDZKDWDUHWKHVDOHVHVWLPDWHVIRU
\HDUVVL[DQGVHYHQ"
Year Sales $
1 10,000
211,210
3 13,060
4 16,075
5 20,590
Keys: Display: Description:
*j
0.00
&OHDUVVWDWLVWLFVUHJLVWHUV
0A
1.00
(QWHUVILUVW\HDUDQGVDOHV
IRUWKDW\HDU
0A
2.00
(QWHUVVHFRQG\HDU·VGDWD
0A
3.00
&RQWLQXHVGDWDHQWU\
0A
4.00
0A
5.00
*4
22,000.50
(VWLPDWHVVDOHVIRU\HDU
VL[
*4
24,605.00
(VWLPDWHVVDOHVIRU\HDU
VHYHQ
10B.book Page 96 Wednesday, June 21, 2000 5:19 PM