a. Imagine that we wished to estimate the mean number of bacteria per gram of le

Question

a. Imagine that we wished to estimate the mean number of bacteria per gram of leaf and the uncertainty of our estimate. Would a confidence interval for the mean based on the t-distribution be appropriate? Explain your answer.

b. Name two appropriate methods to calculate a confidence interval for the mean with these data.

c. The authors also measured the frequency distribution of the number of bacteria on soybean leaves. The distribution was shaped similarly to the one shown here for corn leaves. List two valid methods that could be used to test for a difference in the median numbers of bacteria on corn and soybean leaves

Explanation / Answer

a. Imagine that we wished to estimate the mean number of bacteria per gram of le

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