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A new vaccination is being used in a laboratory experiment to investigate whether it is effective. There are 272 subjects in

math   Statistics-And-Probability   
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Answer #1


The statistic software output for this problem is:

Contingency table results: Rows: var1 Columns: None D ND Total V 70 74 144 NV 65 63 128 Total 135 137 272 Chi-Square test: St

Test statistics = 0.128

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