(a) Do the sample means suggest that penetrability decreases as soil is morecompressed?
Chapter 0, Problem 25.9(choose chapter or problem)
(a) Do the sample means suggest that penetrability decreases as soil is morecompressed? We would like to use ANOVA to assess the significance of thedifferences among the means.(b) Examine each of the three samples. Do the standard deviations satisfy ourrule of thumb? What are the overall shapes of the distributions? Are thereoutliers? Can we safely use ANOVA on these data? (c) Suppose that the outliers you found in part (b) were absent. Could we safelyuse ANOVA on the remaining data? Explain your answer.
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