Consider the following Al ible. Source S d.f. MS V.R. 2.824 115.7527 14.0714 Treatments 231.5054 98.5000 573.7500 Blocks 7 Error 14 40.9821 (a) What design was employed? (b) How many treatments were compared? (c) How many observations were analyzed? (d) At the .05 level of significance, can one conclude that the treatments have different effects? Why?

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.