HP (Hewlett-Packard) F1902-90001 Calculator User Manual


 
7: Statistical Calculations 89
Example 1. $\DFKWFDSWDLQZDQWVWRGHWHUPLQHKRZORQJLWWDNHVWR
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WKHPDVWKH\FDUU\RXWWKHVDLOFKDQJHDQGUHFRUGVWKHQXPEHUVRI
PLQXWHVUHTXLUHG&DOFXODWHWKHPHDQDQGVDPSOH
VWDQGDUGGHYLDWLRQRIWKHWLPHV$OVRFDOFXODWHWKHURRWPHDQVTXDUH
XVLQJWKHIRUPXOD
7KHVWDQGDUGGHYLDWLRQVFDOFXODWHGE\
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SRSXODWLRQVWDQGDUGGHYLDWLRQVFDQEHFDOFXODWHGE\
SUHVVLQJ
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Example 2. 7KHFRDFKKDVIRXUQHZSOD\HUVRQWKHWHDPZLWKKHLJKWVRI
DQGFHQWLPHWHUVDQGZHLJKWVRIDQG
NLORJUDPV)LQGWKHPHDQDQGSRSXODWLRQVWDQGDUGGHYLDWLRQRIERWK
WKHLUKHLJKWVDQGZHLJKWVWKHQVXPWKH\GDWD
Keys: Display: Description:
0.00
&OHDUVVWDWLVWLFDOUHJLVWHUV
1.00
(QWHUVILUVWWLPH
2.00
(QWHUVVHFRQGWLPH
3.00
(QWHUVWKLUGWLPH
4.00
(QWHUVIRXUWKWLPH
5.00
(QWHUVILIWKWLPH
6.00
(QWHUVVL[WKWLPH
3.50
&DOFXODWHVWKHPHDQ
0.85
&DOFXODWHVWKHVDPSOH
VWDQGDUGGHYLDWLRQ
77.13
'LVSOD\V
Σ
[
6.00
'LVSOD\VQ
3.59
&DOFXODWHVWKHURRWPHDQ
VTXDUH
x
2
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10B.book Page 89 Wednesday, June 21, 2000 5:19 PM