An Experiment Was Designed to Investigate the Effectiveness of 5

question 16

Essay

An experiment was designed to investigate the effectiveness of 5 different methods that are used for decontaminating topsoil. Each of the 5 methods is applied to a plot of contaminated soil at 3 different Superfund sites (blocks) and the reduction in heavy metals in the topsoil is recorded. The experiment yields the following summary information. SSTo = 1,209.3 SSTr = 635.8 SSBl = 297.6 ​
a) Construct the ANOVA table for this experiment.
b) Test for the null hypothesis that there is no difference in the mean reduction of heavy metals for the 5 different methods using a .05 significance level.

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Definitions:

Capital Accumulation

The growth of assets or wealth through investment or profits, often reinvested to generate further growth.

Costly

Something described as costly is considered to have a high price or to entail a great expense, often in terms of money, time, or effort.

Society

A group of individuals living as a community or an organized group with shared laws, traditions, and values.

Saving Rate

The proportion of income that is not spent on consumption but is instead saved or invested.