HP 17BIIPLUS - Summation Statistics

10: Running Total and Statistics 139
216
I
;:H0L.T8U"
:E:198*%#&(("
e
o
RENT
I
"
;:H0L.T8U"
Names this list RENT. (See
page 30 to use the ALPHA
menu.)
p s
;:H0L#T8U" Gets a new, empty list.
54
I
32
I
88
I
92
I
"
"
"
;:H0L.T8U"
:E:198$''&(("
Stores frequencies into
second list.
e
E
)
—
"
FH9H7: X O12;1J9H"
Displays names of all
SUM lists.
"
2H<:"
"
FH9H7: @ O12;1J9H"
Specifies RENT as the
x-list.
˜
9;<H12"
Specifies the current,
unnamed list as the y-list
and then displays the
FRCST menu. (Ignore
model type.)
)
Ÿ
$(,&++"
Average monthly rent.
.&,-"
Standard deviation of the
rents.
Summation Statistics
The summation values are of interest if you want to perform other
statistical calculations besides those provided by the calculator. To find
Σx, Σx
2
, Σy, Σy
2
, Σ(xy), and n, the number of elements in either list:
1. Display the FRCST menu and select the x- and y-lists as explained in
steps 1-4 of the instructions on page 134. To find the summation