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5. Which test would you use In 1974, each acre of the Tahoe basin was
assessed to see what condition the soil was in. 23% of acres were of type I, 32%
were of type II, 41% were of type III, and 16% were of type IV. This year the
region was assessed again and the number of each type were again determine
a) Chi-Square Test for
Independence/Association
c) Chi-square Goodness of Fit Test
b) Chi-Square Test for Homogeneity
d) Not a Chi-square test



Answer :

Answer: in this case, the two categorical variables are the year (1974 and this year) and the type of soil the test will determine if the distribution of soil types changes significantly over time. therefore the answer is (A)

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