Results

The results are:

 

 

 

 

 

 

Result

 

Description

 

 

 

 

 

Critical T

 

Critical value for T.

 

μ Min

 

Lower bound for μ.

 

μ Max

 

Upper bound for μ.

 

 

 

 

Two-Sample T-Interval

Menu name

T-INT: μ1 – μ2

 

 

This option uses the Student’s t-distribution to calculate a

 

confidence interval for the difference between the means

 

of two populations, μ1 – μ2, when the population

 

standard deviations, s1and s2, are unknown.

Inputs

The inputs are:

 

 

 

 

 

 

Field

 

Definition

 

name

 

 

 

 

 

 

 

x1

 

Sample 1 mean.

 

x2

 

Sample 2 mean.

 

s1

 

Sample 1 standard deviation.

 

s2

 

Sample 2 standard deviation.

 

n1

 

Sample 1 size.

 

n2

 

Sample 2 size.

 

C

 

Confidence level.

 

_Pooled

 

Whether or not to pool the samples

 

 

 

based on their standard deviations.

 

 

 

 

Inference aplet

11-19