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QUESTION
In 1940 the average size of a U. farm was 174 acres. Let's say that the standard deviation was 53 acres. Suppose we randomly surveyed 39 farmers from...
In 1940 the average size of a U.S. farm was 174 acres. Let's say that the standard deviation was 53 acres. Suppose we randomly surveyed 39 farmers from 1940.
