Relative risk for eating spinach dip

Food Specific Attack Rates Number of people Number of people who ate an item who did not eat an item Food Items Sick Well Total Attack Rate Sick Well Total Attack Rate Veggie Lasagna 21 15 36 58% 4 35 39 10% Sweet and Sour Meatballs 4 32 36 11% 21 18 39 54% Chicken Tenders 16 38 54 30% 9 12 21 43% Spinach Dip 18 4 22 82% 7 46 53 13%

In Clue 2, relative risks for getting sick by each food item was calculated.  Create the 2*2 table for calculating the relative risk of illness as a result of eating the spinach dip using the information provided in the clue.  (5 points)

 Extra credit: calculate the relative risk for eating spinach dip. Show your work. (2 extra points)

  Ill Not ill Total

Ate spinach dip 18 4 22

Did not eat spinach dip  

Total  

need assist completing the 2x 2 table and calculating relative risk