Casio ClassPad 300 - Manual (Page 379)

20021201
Definition of Terms
C-Level : confidence level (0 < C-Level < 1)
List(1) :
list where sample 1 data is located
List(2) : list where sample 2 data is located
Freq(1) : frequency of sample 1 (1 or list name)
Freq(2) : frequency of sample 2 (1 or list name)
Pooled :
On or Off
o
1
: mean of sample 1 data
x
1
σ
n -1
: standard deviation of sample 1 ( x
1
σ
n -1
> 0)
n
1
: size of sample 1 (positive integer)
o
2
: mean of sample 2 data
x
2
σ
n -1
: standard deviation of sample 2 ( x
2
σ
n -1
> 0)
n
2
: size of sample 2 (positive integer)
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
Calculation Result Output
Left : interval lower limit (left edge)
Right : interval upper limit (right edge)
df : degrees of freedom
o
1
: mean of sample 1 data
o
2
: mean of sample 2 data
x
1
σ
n –1
: standard deviation of sample 1
x
2
σ
n –1
: standard deviation of sample 2
x
p
σ
n –1
: pooled sample standard deviation (Displayed only when pooling is
turned on.)
n
1
: size of sample 1
n
2
: size of sample 2
7-10-8
Confidence Intervals