Question

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.)

χ² =

Answer 1

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