Effectiveness of geese decoys. What type of decoy should

Chapter 9, Problem 96SE

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QUESTION:

Effectiveness of geese decoys. What type of decoy should you purchase for hunting waterfowl? A study in the Journal of Wildlife Management (July 1995) compared the effectiveness of three different decoy types—taxidermy mounted decoys, plastic shell decoys, and full-bodied plastic decoys—in attracting Canada geese to sunken pit blinds. In order to account for an extraneous source of variation, three pit blinds were used as blocks in the experiment. Thus, a randomized block design with three treatments (decoy types) and three blocks (pit blinds) was employed. The response variable was the percentage of a goose flock to approach within 46 meters of the pit blind on a given day. The data are given in the table.* A Minitab printout of the analysis follows. Locate the p-value for treatments on the printout and interpret the result.

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QUESTION:

Effectiveness of geese decoys. What type of decoy should you purchase for hunting waterfowl? A study in the Journal of Wildlife Management (July 1995) compared the effectiveness of three different decoy types—taxidermy mounted decoys, plastic shell decoys, and full-bodied plastic decoys—in attracting Canada geese to sunken pit blinds. In order to account for an extraneous source of variation, three pit blinds were used as blocks in the experiment. Thus, a randomized block design with three treatments (decoy types) and three blocks (pit blinds) was employed. The response variable was the percentage of a goose flock to approach within 46 meters of the pit blind on a given day. The data are given in the table.* A Minitab printout of the analysis follows. Locate the p-value for treatments on the printout and interpret the result.

ANSWER:

Step 1 of 2

The test hypotheses are as follows:

Null hypothesis:

 There is no significant difference in mean percentage of a goose flock to approach within 46 meters of the pit blind on a given day among the three decoy types.

Alternative hypothesis:

 There is a significant difference in mean percentage of a goose flock to approach within 46 meters of the pit blind on a given day among the three decoy types.

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