HP 10bII - Page 92

Keys:
=
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060020
2060000
62000098
2000089
206200000
[Ge]
Се
Display:
0.00
1.00
2.00
3.00
4.00
5.00
6.00
376.25
425.88
0.90
Description:
Clears statistical registers.
Enters minutes and sales
for consecutive weeks.
Calculates y-intercept (4).
Displays slope.
Calculates correlation
coefficient.
Estimate what the level of sales would be if the business purchased 7 or 8
minutes of advertising.
DOB
Gd»
3,357.38
3,783.25
Estimates sales if 7
minutes of advertising
were purchased.
Estimates sales if 8
minutes were pur-
chased.
How many minutes of advertising should Ali's buy to attain sales of
$3,000?
(@@@@Ы% 2
6.16
92 7: Statistical Calculations
Estimates minutes of
advertising required for
$3,000 in sales.