14.42 Salmonella Is your holiday turkey safe? A federal survey found that 19.6% of turkeys are contam- inated with the salmonella bacteria. 14 Use the table that follows to determine if there is a significant difference in the contamination rate at three processing plants. One hundred turkeys were randomly selected from each of the processing lines at these three plants.

Is there a significant difference in the rate of salmonella contamination among these three processing plants? If there is a significant difference, describe the nature of these differences. Use a = 0.01.

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Salmonella. Plant Present Sample Size -23 1 42 2 222 100 23 100 100