Texas Instruments TI-36X Solar - Manual (Page 13)

12
TI36XSUS.DOC MURFE pruning--US version Pat Hatcher
Revised: 06/17/99 4:37 PM Printed: 06/17/99 4:37 PM
Page 12 of 29
Find the sum, mean, population standard deviation, and
sample standard deviation for the data set: 45, 55, 55,
55, 60, 80. The last data point is erroneously entered as
8, removed with
( a , and then correctly entered
as 80.
" ‰ STAT 0.
( [ STAT 0.
45 4 STAT 1.
55 ( \ 3 4 STAT 4.
60 4 STAT 5.
8 4 STAT 6.
8 ( a STAT 5.
80 4 STAT 6.
( g (sum) STAT 350.
( ] (mean) STAT 58.33333333
( h (sum of squares) STAT 21100.
( _ ( n weighting) STAT 10.67187373
( ^ ( n - 1 weighting) STAT 11.69045194