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Viewing And Editing Statistical Data - HP 10bII+ User Manual

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Viewing and Editing Statistical Data

1.
Press
along with the current x-or y-value. The STAT annunciator appears, and the X or Y
identifies the displayed value.
1
2. Press
to move up through the current statistical data. When you pass the maximum
of the data, an empty statistical pair displays before wrapping back to x
there is enough memory for more data.
A
3. Press
to move down through the current statistical data. At x
back to the maximum y-value.
4. At any time with the editor open, press
pair, type the whole number which represents the pair's n-value and press
editor will jump to that data pair, unless your entered number is higher than your
maximum data pair, in which case it will jump to the highest x-value. If you type in an
invalid number, such as a negative number, or a non-whole number, the editor remains
in its current position.
5. To delete the currently displayed statistical data pair, press
with the x- and y-values equal to zero, press
6. To replace the currently displayed value, simply type in the new number and press
Æ
.
7.
To clear the currently displayed x-or y-value without removing the entire pair, press
to set the value to 0.
M
8. Press
to exit the editor.
Example 1
A tropical beach resort has been having some very hot weather lately. A manager at the
beach resort has noticed an increase in the number of cold drinks sold during hot days and
wants to be able to predict how many employees are needed to sell drinks tomorrow. Each
employee can sell 200 drinks a day at most.
116
Statistical Calculations
to open the editor. The number of items accumulated, n, is displayed,
Table 12-2 Data
Past 3 Days
Temperature (Celsius)
32
35
38
¡
to return to x
. To jump to a specific data
1
a
P
.
Cold Drinks Sold
415
515
725
, provided
1
, the display wraps
0
¡
. The
. To add a new pair
|

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