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Look at the following chi-square output, and answer the questions below it.

Chi-Square Test

Frequencies

Preference

   

Observed   N

Expected   N

Residual

 

Nuts   & Grits

9

20.0

-11.0

 

Bacon   Surprise

27

20.0

7.0

 

Dimples

16

20.0

-4.0

 

Froggy

17

20.0

-3.0

 

Chocolate   Delight

31

20.0

11.0

 

Total

100

Test Statistics

   

Preference

 

Chi-Square

15.800a

 

df

4

 

Asymp.   Sig.

.003

a 0 cells (0.0%) have expected frequencies less than 5. The minimum expected cell frequency is 20.0.

Answer the following questions about this chi-square output:

1. How many categories are listed for analysis? 
 

2. What is the expected N size? 
 

3. What is the chi-square value? 
 

4. How many degrees of freedom are there?
 

5. What it the test statistic and what does it tell you about the probability?
 

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