Adding A Data Entry; Editing Statistics Data - Datexx DS-834 User Manual

(Method 2) :
Step 1 : Press [ = ] once to view the first data
Step 2 : Continue pressing [ = ] once for each data, it will

Adding a data entry

(Ex.3) : Add data 9 = 10 to Ex.1
Step 1 : Press [ DATA ] 10
Step 2 : The calculator updates the statistics as you enter

Editing statistics data

(Ex.4) : Based on Ex.1, correct data 1 = 2 as data 1 = 3
Method 1 :
Press 2 [ 2ndF ] [ DEL ] 3 to overwrite.
Method 2 :
Step 1 : Press [ 2ndF ] [ EDIT ]
Step 2 : Find out 2 by [ DATA ] or [ = ]
Step 3 : Enter 3 to overwrite 2
Step 4 : Press [ = ] and [ 2ndF ] [ EDIT ] to exit ED mode,
(Ex.5) : Based on Ex.1, delete data 1 = 2 .
Method 1 :
Press 2 [ 2ndF ] [ DEL ] to delete 2.
Method 2 :
Step 1 : Press [ 2ndF ] [ EDIT ]
Step 2 : Find out 2 by [ DATA ] or [ = ]
Step 3 : Press [ 2ndF ] [ DEL ]
Step 4 : Press [ 2ndF ] [ EDIT ] to exit ED mode, where
display 5.00, 5.00, 5.00, 5.00, 9.00, 9.00,
9.00 in sequence.
data. You can then recall all variable statistics to
get the following result :
2.74, Σ x = 59.00, Σ x
where data 1 = 2.00, data 2~5 = 5.00, data 6~8
= 9.00, data 9 = 10.00
where those data are changed as data 1 = 3.00,
data 2~5 = 5.00, data 6~8 = 9.00.
those data are changed as data 1~4 = 5.00, data
5~7 = 9.00.
E - 17
DEG ED STAT
DEG ED STAT
= 6.56, n = 9.00, S =
x
2
= 447.00, σ = 2.59,
DEG ED STAT
DEG ED STAT
DEG ED STAT
DEG ED STAT
DEG ED STAT
DEG ED STAT
2.00
10.
0.00
2.00
3.
0.00
2.00
5.00