Refer to the survey of agricultural engineers, Exercise 9.8. Do the data present sufficient evidence to indicate a preference for one or more of the five water-management strategies? Test using α = .05.

Data from Exercise 9.8

Because of erratic rainfall patterns and low water-holding capacities of soils in Florida, supplemental irrigation is required for producing most crops. A research team has developed five alternative water-management strategies for irrigating cropland in central Florida. A random sample of 100 agricultural engineers was interviewed and asked which of the strategies he or she believes would yield maximum productivity. A summary of their responses is shown in the table.

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IRRIGATE Strategy A B C D E Frequency 17 27 22 15 19