HP 10bII - Forecasting Based on History

Forecasting Based on History
One method of forecasting sales, manufacturing rates, or expenses is
reviewing historical trends. Once you have historical data, the data are fit
to
a
curve
that
has
time
on
the
x-axis
and
quantity
on
the
y-axis.
Example. Given the following sales data, what are the sales estimates for
years six and seven?
Year Sales $
1 10,000
2 11,210
3 13,060
4 16,075
5 20,590
Keys:
Display:
Description:
Qa» 0.00 Clears statistics registers.
OMOODOOHL 1.00 Enters first ycar and sales
for that year.
@®®%@0@@@@@% 200 Enters second year’s data.
@O4ODOOOH зоо Continues data entry.
@@O00O00O8)
4.00
ОООО)
5.00
Ge 22,000.50 Estimates sales for year
six.
od
24,605.00
Estimates
sales
for
year
seven.
96 8: Additional Examples