Statistical Calculations118
After modifying the data, predict the next day’s activity at a record 45
o
C.
Table 12-4 Adding more data
Keys Display Description
YDÆJ:GD¡
4.00 Enters fourth ordered pair.
DjÆSgV¡
5.00 Enters fifth ordered pair.
Table 12-5 A new prediction
Keys Display Description
YV\W
1, 20 4 .67
Predicts the drinks sold at 45
o
C.
But is this the best fit?
]L:
0.00 Sets regression mode to 0-BEST
FIT.
YV\W
1,128.12 All regressions are calculated
and LINEAR is selected as being
a better fit than POWER. The
result, 1128, is well within the
limit of six employees.
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