Casio ClassPad 330 User Manual page 440

Definition of Terms
C�L���� : co�fid��c� ����� (0 < C�L���� < 1)
σ �o�u���io� s���d��d d��i��io� of s����� 1 ( σ
:
1
σ �o�u���io� s���d��d d��i��io� of s����� 2 ( σ
:
2
Lis�(1) : �is� wh��� s����� 1 d��� is �oc���d
Lis�(2) : �is� wh��� s����� 2 d��� is �oc���d
F��q(1) : f��qu��cy of s����� 1 (1 o� �is� ����)
F��q(2) : f��qu��cy of s����� 2 (1 o� �is� ����)
: s����� ���� of s����� 1 d���
o
1
n
: siz� of s����� 1 (�osi�i�� i���g��)
1
: s����� ���� of s����� 2 d���
o
2
n
: siz� of s����� 2 (�osi�i�� i���g��)
2
Calculation Result Output
L�f� : i������� �ow�� �i�i� (��f� �dg�)
Righ� : i������� u���� �i�i� (�igh� �dg�)
: s����� ���� of s����� 1 d���
o
1
: s����� ���� of s����� 2 d���
o
2
x
σ
: s����� s���d��d d��i��io� of s����� 1 (Dis���y�d o��y fo� �is� fo����.)
n
1 −1
x
σ
: s����� s���d��d d��i��io� of s����� 2 (Dis���y�d o��y fo� �is� fo����.)
n
2 −1
n
: siz� of s����� 1
1
n
: siz� of s����� 2
2
Example
�is�1 : { 154, 109, 137, 115, 140 } , �o�u���io�
s���d��d d��i��io� : 15.5
�is�2 : { 108, 115, 126, 92, 146 } , �o�u���io� s���d��d
d��i��io� : 13.5
�ig�ific��c� ����� : 5% ( = co�fid��c� ����� : 95%)
• Statistics Wizard Operation
(1) ���u� �h� d��� i��o ��is�1� ��d ��is�2� i� �h� ���� Edi�o�.
(2) �� �h� ���u b��, ��� �C��c� ��d �h�� ����������.
(3) ����c� �Two������� ����� ��d �Lis��, ��d �h�� ���
�N�x� >>�.
(4) ���u� ���u�s.
(5) ����c� Lis�(1) ��is�1�, Lis�(2) ��is�2�, F��q(1) �1� ��d
F��q(2) �1�.
(6) T�� �N�x� >>�.
u Program, eActivity or Main Application
Command: Two����������
Command Syntax
Syntax 1 (list format)
C�L���� ���u�, σ
* "F��q" c�� b� o�i���d. Doi�g so s��s "1" fo� "F��q".
Syntax 2 (parameter format)
C�L���� ���u�, σ
7-10-4
Confidence Intervals
���u�, σ
���u�, Lis�(1), Lis�(2), F��q(1) (o� 1), F��q(2) (o� 1)
1 2
���u�, σ
���u�, ���u�,
o
1 2 1
20070301 20060301
> 0)
1
> 0)
2
n n
���u�, ���u�, ���u�
o
1 2 2