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Contamination of various food products is an ongoing problem all over the world. An article reported...

Contamination of various food products is an ongoing problem all over the world. An article reported the following data on the occurrence of salmonella in chicken of three different types.

  1. supermarket chilled
  2. supermarket frozen
  3. wet market fresh slaughtered
Sample Size # Salmonella
Positive Samples
Type 1. 60 26
2. 60 32
3. 120 50

Compute the test statistic value. (Round your answer to three decimal places.)

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Math   Statistics-And-Probability   
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