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STEP 4: Draw inferences beyond the data. 9. Carry out an appropriate test of significance to see whether, on average, there is a genuine difference

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STEP 4: Draw inferences beyond the data. 9. Carry out an appropriate test of significance to see whether, on average, there is a genuine difference between the first E. coli count and the second E. coli count. Report your p-value and a 95% confidence interval

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