Sharp EL-5103 - Page 23

STATISTICAL MOOE
set the modo swi tch to STAT. The black items around the keys STQ, RCL and M+ are
now in effect. Pressing ~ wi ll clear the memories (A - E, M) so t hat they C3n be
used fo r stor ing statistical results as described below. To clear previous statist ical inputs
end calcu lat ions, press ~ and (£!J I ntermediate results can be obtained and then
addi t ional data m"v be added.
Memory
Con t ents
A
"y
B
"y'
C h
D
"x'
E
hy
M
"
, . On .·v. ria ble Iw tisti CllI CIIlc uL lt i on
Cal culate the following statistics.
(1) n: Number of samples
121 Ex : Total of samples
(3) Ex': Sum of squares of sampl!s Ex
(4) x : Mean value of samples x · n
(S) $X: Standard del/iat ion with population parameter taken to be "n' .!.. '''.
t61 ox:
(Used 10 estimate the st andard deviation of
popu l ation from the sample d"ta e>:lracted
fr om t hat popu l at i on.)
St andar d deviati on with populatio n parame t er taken to be " n".
(Used when all pop ulations are taken to be
s.ample data or when fi nding the standard devia-
tion of population with sample ta k en to be a
popUlation.!
• Data l
or one-vari able statistic calculat i ons are inputted bv the following opera -
tlons