25. A food-specific attack rate is the number of persons who ate a specified food and became ill divided by the total number of persons who ate that food
76/99 *100=76.8%
26. Potato salad seems infective as majority have developed illness
among those who have eaten and very less number of illness in those
who have not eaten .
27. Specificity is fraction of those without disease who will have a negative test result
140/200*100
70%
28. sensitivity is fraction of those with disease who have positive test result
270/300*100 90%
so the answer is none of above
Use the following information for questions 25-26. Show your calculations and reasoning to the right side...
Use Excel Functions and show which functions you used. You may
take screenshots.
For Problems #1 through #9, consider the following information: According to product packaging, the calorie count for a single house brand premium milk chocolate chip pecan cookie baked exclusively for Sale Mart is 200 calories. A consumer health testing lab tech is double checking this claim, and has collected a random sample of 16 individual milk chocolate chip pecan cookies. The corresponding calories were as follows 193...
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