Xr14-60 Refer to Exercise 14.14. Despite failing to show that differences in the three types of fertilizer

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Xr14-60 Refer to Exercise 14.14. Despite failing to show that differences in the three types of fertilizer exist, the scientist continued to believe that there were differences, and that the differences were masked by the variation between the plots of land.

Accordingly, she conducted another experiment. In the second experiment, she found 20 three-acre plots of land scattered across the county. She divided each into three plots and applied the three types of fertilizer on each of the 1-acre plots. The crop yields were recorded.

a. Can the scientist infer that there are differences between the three types of fertilizer?

b. What do these test results reveal about the variation between the plots?

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Statistics For Management And Economics

ISBN: 9781133420774

9th Edition

Authors: Gerald Keller, Kenneth C Louden

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