ClassPad 330 Plus Manual
20101001
Example
list1 : { 12.207, 16.869, 25.05, 22.429, 8.456, 10.589 }
list2 : { 11.074, 9.686, 12.064, 9.351, 8.182, 6.642 }
Significance level : 5% ( = confidence level : 95%)
• Statistics Wizard Operation
(1) Input the data into [list1] and [list2] in the Stat Editor.
(2) On the menu bar, tap [Calc] and then [Interval].
(3) Select [Two-Sample TInt] and then tap [Next >>].
(4) Input value.
(5) Select List(1) [list1], List(2) [list2], Freq(1) [1],   
  Freq(2) [1] and Pooled [Off]. 
(6) Tap [Next >>]. 
u
Program, eActivity or Main Application 
Command: TwoSampleTInt
Command Syntax 
Syntax 1 (list format)
  C-Level value, List(1), List(2), Freq(1) (or 1), Freq(2) (or 1), Pooled condition (On 
or Off) 
  * “Freq” can be omitted. Doing so sets “1” for “Freq”. 
  * “Pooled” can be omitted. Doing so sets “Off” for “Pooled”.
Syntax 2 (parameter format)
 C-Level value, 
o
1
 value, 
s
x
1
 value, 
n
1
 value, 
o
2
 value, 
s
x
2
 value, 
n
2
 value, Pooled 
condition (On or Off)
  * “Pooled” can be omitted. Doing so sets “Off” for “Pooled”.
Input Example:
Syntax 1 (list format)
TwoSampleTInt 0.95,list1,list2,1,1,Off
Syntax 2 (parameter format)
TwoSampleTInt 0.95,80.4,2.07,30,84.2,1.96,35,On
7-10-10
Confidence Intervals










