HP 10BII Manual
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Page 81
6: Cash Flow Calculations 81 +RZPXFKVKRXOG\RXSD\IRUWKHFRQWUDFWLI\RXZLVKWR\LHOGD\HDUO\ UDWHRI\bRQ\RXULQYHVWPHQW Keys: Display: Description: *&0.00&OHDUVUHJLVWHUV *b12.006HWVSD\PHQWVSHU\HDU ,0.00(QWHUVLQLWLDOFDVKIORZ RI]HUR7KHFDVKIORZ QXPEHULVGLVSOD\HGDV ORQJDV\RXKROGGRZQ WKH ,NH\ ,0.00(QWHUVILUVWFDVKIORZ *C3.00(QWHUVQXPEHURI RFFXUUHQFHV ,5,000.00(QWHUVVHFRQGFDVKIORZ ,0.00(QWHUVWKLUGFDVKIORZ *C4.00(QWHUVQXPEHURI RFFXUUHQFHV...
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82 6: Cash Flow Calculations 7KHFDVKIORZVWKDWGHVFULEH\RXUSURVSHFWLYHLQYHVWPHQWDUHQRZLQWKH FDOFXODWRU
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6: Cash Flow Calculations 83 Calculating Internal Rate of Return 3UHVV*&VWRUHQXPEHURISHULRGVSHU\HDULQ 3
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84 6: Cash Flow Calculations Automatic Storage of IRR/YR and NPV :KHQ\RXFDOFXODWH139WKHUHVXOWLVVWRUHGLQ 39IRU\RXU FRQYHQLHQFH7RUHFDOOWKDWUHVXOWSUHVV ,I\RXKDYHQ·WFKDQJHG WKH790YDOXHVIURPWKHODVWH[DPSOHXVLQJ 139SDJH \fZKHQ\RX SUHVV WKHUHVXOWLV :KHQ\RXFDOFXODWH ,55
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7: Statistical Calculations 85 7 Statistical Calculations 7KHADQG*@NH\VDUHXVHGWRHQWHUDQGGHOHWHGDWD IRURQHDQGWZRYDULDEOHVWDWLVWLFV6XPPDWLRQGDWDLV VWRUHGLQPHPRU\7KHODEHOVDERYHWKH WRNH\V LQGLFDWHZKDWVXPPDWLRQGDWDLVVWRUHG2QFH\RXHQWHUWKH GDWD\RXFDQXVHWKHVWDWLVWLFDOIXQFWLRQVWRFDOFXODWHWKH IROORZLQJ n0HDQDQGVWDQGDUGGHYLDWLRQ n/LQHDUUHJUHVVLRQVWDWLVWLFV n/LQHDUHVWLPDWLRQDQGIRUHFDVWLQJ n:HLJKWHGPHDQ n6XPPDWLRQVWDWLVWLFV Q S [S [S...
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86 7: Statistical Calculations Entering Statistical Data 7KHUHLVQROLPLWWRWKHQXPEHURIYDOXHV\RXFDQDFFXPXODWHLQWKH VWDWLVWLFDOUHJLVWHUV One-Variable Statistics 7RHQWHU[GDWDIRURQHYDULDEOHVWDWLVWLFVFRPSOHWHWKHIROORZLQJVWHSV &OHDUWKHVWDWLVWLFDOUHJLVWHUVE\SUHVVLQJ *j (QWHUWKHILUVWYDOXHDQGSUHVV A7KH+3%,,GLVSOD\V QWKH QXPEHURILWHPVDFFXPXODWHG &RQWLQXHDFFXPXODWLQJYDOXHVE\HQWHULQJWKHQXPEHUVDQGSUHVVLQJ A7KH...
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7: Statistical Calculations 87 Correcting Statistical Data ,QFRUUHFWHQWULHVFDQEHGHOHWHGXVLQJ*@,IHLWKHUYDOXHRIDQ[\ SDLU LVLQFRUUHFW\RXPXVWGHOHWHDQGUHHQWHUERWKYDOXHV Correcting One-Variable Data 7RGHOHWHDQGUHHQWHUVWDWLVWLFDOGDWD .H\LQWKH [YDOXHWREHGHOHWHG 3UHVV *@WRGHOHWHWKHYDOXH7KH QYDOXHLVGHFUHDVHGE\RQH (QWHUWKHFRUUHFWYDOXHXVLQJ A Correcting Two-Variable Data 7RGHOHWHDQGUHHQWHU [\ SDLUVRIVWDWLVWLFDOGDWD .H\LQWKH...
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7: Statistical Calculations 89 Example 1. $\DFKWFDSWDLQZDQWVWRGHWHUPLQHKRZORQJLWWDNHVWR FKDQJHDVDLO6KHUDQGRPO\FKRRVHVVL[PHPEHUVRIKHUFUHZREVHUYHV WKHPDVWKH\FDUU\RXWWKHVDLOFKDQJHDQGUHFRUGVWKHQXPEHUVRI PLQXWHVUHTXLUHG&DOFXODWHWKHPHDQDQGVDPSOH VWDQGDUGGHYLDWLRQRIWKHWLPHV$OVRFDOFXODWHWKHURRWPHDQVTXDUH XVLQJWKHIRUPXOD 7KHVWDQGDUGGHYLDWLRQVFDOFXODWHGE\ *:DQG*:...
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90 7: Statistical Calculations Linear Regression and Estimation /LQHDUUHJUHVVLRQLVDVWDWLVWLFDOPHWKRGIRUHVWLPDWLRQDQG IRUHFDVWLQJ,WLVXVHGWRILQGDVWUDLJKWOLQHWKDWEHVWILWVD VHWRI[\ GDWD7KHUHPXVWEHDWOHDVWWZRGLIIHUHQW [\ SDLUV7KHVWUDLJKWOLQHSURYLGHVDUHODWLRQVKLSEHWZHHQWKH [ DQG \YDULDEOHV \ P[ EZKHUH PLVWKHVORSHDQG ELV WKH \LQWHUFHSW Linear Regression. &DOFXODWH PEDQG UWKHFRUUHODWLRQFRHIILFLHQW\fDV IROORZV ...