e following data, representing random samples of  11 males and  11

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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The Interpersonal Reactivity Index is a survey designed to assess four different types of empathy. One type of empathy, called Empathetic Concern, measures the tendency to feel sympathy and compassion for people who are less fortunate. The index ranges from

0

 (less empathetic) to 

28

 (more empathetic). The following data, representing random samples of 

11

males and 

11

 females, are consistent with results reported in psychological studies. Boxplots show that it is reasonable to assume that the populations are approximately normal. Can you conclude that the mean empathy score for men is less than the mean empathy score for women? Let 

μ1

 denote the mean empathy score for men. Use the 

=α0.01

 level and the 

P-value method with the TI-84 Plus calculator.
do we reject or not 
is there enough evidence 

 

Males
12
16
13
26
21
23
8
15
18
25
15
         
Females
26
25
28
24
16
19
20
23
21
23
15
       
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