HP 12c Platinum - Page 115

Statistics 115
Try the previous example using the following HP 12C Platinum program:
12c platinum / 12C
RPN KEYSTROKES
DISPLAY
12c platinum
ALG KEYSTROKES
DISPLAY
fs fs
fCLEARÎ
000,
fCLEARÎ
000,
_
001, 49
_
001, 49
g(000
002,43,33,000
g(000
002,43,33,000
gv
003, 43 48
gv
003, 43 48
§
004, 20
1
004, 1
\
005, 36
gR
005, 43 2
gR
006, 43 2
d
006, 33
d
007, 33
§
007, 20
§
008, 20
~
008, 34
t
009, 31
§
009, 20
:1
010, 45 1
~
010, 34
1
011, 1
³
011, 36
-
012, 30
t
012, 31
:
013, 45 1
1
013, 1
z
014, 10
-
014, 30
§
015, 20
:1
015, 45 1
g(000
016,43,33,000
y
016, 22
fs §
017, 20
~
018, 34
³
019, 36
g(000
020,43,33,000
fs
REGISTERS
n: Unused i: Unused PV: Unused PMT: Unused
FV: Unused R
0
: Unused R
1
: n
R
2
: Σx
R
3
: Σx
2
R
4
: Σy R
5
: Σy
2
R
6
: Σxy
R
7
-R
.7
: Unused
Program Instructions:
1. Key in the program.
2.
Press
fCLEARH.
3.
Key in the y-value and press
\(³).
4.
Key in the x-value and press
t. Repeat steps 3 and 4 for all data pairs.
5.
Press
g(003t to obtain the value of S
xy
.
6.
Press
t to obtain S'
xy
.
7. For a new case, go to step 2.