Preservatives Narrative a Food Processing Plant Wants to Compare Two Preservatives for Preservatives
Preservatives Narrative
A food processing plant wants to compare two preservatives for their effects on retarding spoilage. Suppose 16 cuts of fresh meat are treated with preservative A and 16 are treated with preservative B. The number of hours until spoilage begins is recorded for each of the 32 cuts of meat. The results are summarized in the table below. 
-Refer to Preservatives Narrative. Calculate the pooled variance and the value of the test statistic.
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