D) draw a fourfold table for this food item.     Ill  (Diarrhea present) Well  (Diarrhea absent)  Total Exposure exposed ( ate food item)          Unexpected (did not eat food item)         Total       E) calculate the risk ratio for this food item.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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data were obtained from dietary regarding The number of individual who ate certain food items. The following questions related to the information in the data table below. Those data appears in the table below: 

  Exposed ( Ate food item)  

Unexposed

( Did not eat food item) 

 

 

Food items ill Total I'll Total
Hamburger 3 19 8 17
Beans 5 11 11 25
Ice tea 7 8 26 28
Lettuce 7 14 6 22
Tomato 2 4 13 32
Chicken salad 7 8 3 28
Ice cream 20 22 13 14
Apple Pie 6 9 19 27 
Hot dog 12 18 15 18

D) draw a fourfold table for this food item.

   

Ill 

(Diarrhea

present)

Well 

(Diarrhea

absent) 

Total
Exposure

exposed

( ate food item) 

     
 

Unexpected

(did not eat food item)

     
 

Total

     

E) calculate the risk ratio for this food item. 

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