HP 10bII+ User Manual page 126

Table 12-4 Adding more data
Keys
YDÆJ:GD¡
DjÆSgV¡
After modifying the data, predict the next day's activity at a record 45
Table 12-5 A new prediction
Keys
YV\W
]L:
YV\W
118 Statistical Calculations
Display Description
4.00 Enters fourth ordered pair.
5.00 Enters fifth ordered pair.
Display Description
1,204.67
Predicts the drinks sold at 45
But is this the best fit?
0.00 Sets regression mode to 0-BEST
FIT.
1,128.12 All regressions are calculated
and LINEAR is selected as being
a better fit than POWER. The
result, 1 128, is well within the
limit of six employees.
o
C.
o
C.