Question

An article by D. Schaefer et al. (Journal of Tropical Ecology, Vol. 16, pp. 189-207) reported on a longterm study of the effects of hurricanes on tropical streams of the Luquillo Experimental Forest in Puerto Rico. The study shows that Hurricane Hugo had a significant impact on stream water chemistry. The following table shows a sample of 10 ammonia fluxes in the first year after Hugo. Data are in kilograms per hectare per year.
a. Obtain and interpret the quartiles.
b. Determine and interpret the interquartile range.
c. Find and interpret the five-number summary.
d. Identify potential outliers, if any.
e. Construct and interpret a boxplot.


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  • CreatedAugust 13, 2015
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