A recent study shows that antibiotics added to animal feed to accelerate growth can become airborne. Some
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A recent study shows that antibiotics added to animal feed to accelerate growth can become airborne. Some of these drugs can be toxic if inhaled and may increase the evolution of antibiotic-resistant bacteria. Scientists analyzed 20 samples of dust particles from animal farms. Tylosin, an antibiotic used in animal feed that is chemically related to erythromycin, showed up in 16 of the samples.
(a) What is the variable in this study? What are the individual cases?
(b) Display the results in a frequency table.
(c) Make a bar chart of the data.
(d) Give a relative frequency table of the data.
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a The variable records whether or not tylosin appears in the ...View the full answer
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Related Book For 
Statistics Unlocking The Power Of Data
ISBN: 9780470601877
1st Edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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