Sharp OZ-707 Operation Manual - Page 45

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To enter a single data value, press: data IENTER I. To enter multiple identical data values simultaneously, press: data, frequency 'ENTER I. To enter negative values, B press: data , ENTER I. Press the IENTER I key to end data entry and display the single-variable submenu. Note: In statistics, "frequency" is used to define the number of identical data. For example, if three identical data occur consecutively, frequency 3 is used. Obtaining statistics Press the o:::J key in the single-variable submenu to display the analysis submenu. SELECT t~e.. ? The following statistics can be obtained by pressing keys CIJ to 0=1: CD n: IT] ........ I.x: IT] ........ I.x2: CI:J ........ x: [ I J ........ s: [ I J ........ 0: The sample size of data Sum of samples Sum of squares of samples Sample mean Sample standard deviation Popular standard deviation Press the I, PLAY BACK II key to return to the single-variable submenu. Note: If an error occurs, press the ICeCE I key to clear the error. Check the entered data. 78 Starting a new calculation (clearing the previous data) Perform one of the followings: 1. Select "9. QUIT" to exit the STAT mode and select the STAT mode again. The previous data will be cleared. 2. Delet.e data u~ing the delete/clear function. Press the O=:J key in the slngle-vanable submenu to display the delete/clear submenu. CLJ DELETE (1:) 1. DATA 2. ALL CLEAR SELECT t·~e.. ? The delete/clear submenu will be displayed. CLJ ALL CLEAR ' (1:) 1. "r'ES 2.t-lO SELECT He.. ';, The all clear submenu will be displayed. Press the o=J key to clear the previous data or the CI:J key to retain the previous data. Example: The test scores for 35 randomly selected students are as shown Determine the mean and standard deviation of these scores. . No. Score Frequency No. Score Frequency 1 30 1 5 70 8 2 40 1 6 80 9 3 50 4 7 90 5 4 60 5 8 100 2 79

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To enter a single data value,
press: data
I
ENTER
I.
To enter multiple identical data values simultaneously,
press:
data,
frequency
'ENTER
I.
To enter negative values,
press:
B
data ,
ENTER
I.
Press the
I
ENTER
I
key to
end
data entry and display the single-variable
submenu.
Note:
In statistics, "frequency"
is
used to define the number of identical data.
For example, if three identical data occur consecutively, frequency 3 is
used.
Obtaining
statistics
Press the
o:::J
key
in
the single-variable submenu
to
display the
analysis submenu.
SELECT
t~e..
?
The following statistics can be obtained by pressing keys
CIJ
to
0=1:
CD·······
·n:
IT]
.
..
.....
I.x:
IT]
........
I.x
2
:
CI:J
........
x:
[IJ
........
s:
[IJ
........
0:
The sample size of data
Sum of samples
Sum of squares of samples
Sample mean
Sample standard deviation
Popular standard deviation
Press the
I,
PLAY
BACK
II
key to return to the single-variable submenu.
Note:
If an error occurs, press the
I
CeCE
I
key to clear the error. Check the
entered
data.
78
Starting
a
new
calculation
(clearing
the
previous
data)
Perform one of the followings:
1.
Select
"9.
QUIT"
to
exit the STAT mode and select the STAT mode
again. The previous data will
be
cleared.
2.
Delet.e
data
u~ing
the delete/clear function. Press the
O=:J
key
in
the slngle-vanable submenu to display the delete/clear submenu.
CLJ
The delete/clear submenu will be displayed.
CLJ
The all clear submenu will be displayed.
DELETE
(1:)
1.
DATA
2.
ALL
CLEAR
SELECT
t·~e..
?
ALL
CLEAR
'
(1:)
1.
"r'ES
2.t-lO
SELECT
He..
';,
Press the
o=J
key
to
clear the previous data or the
CI:J
key
to
retain the previous data.
Example:
The test scores for 35 randomly selected students
are
as
shown
Determine the mean and standard deviation of these scores.
.
No.
Score
Frequency
No.
Score
Frequency
1
30
1
5
70
8
2
40
1
6
80
9
3
50
4
7
90
5
4
60
5
8
100
2
79