question archive According to the American Pet Products Manufacturers Association, cat owners spend an average of $179 annually in routine veterenary visits
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According to the American Pet Products Manufacturers Association, cat owners spend an average of $179 annually in routine veterenary visits. A random sample of local cat owners revealed that 10 randomly selected owners spent an average of $205 with sample standard deviation of $26. Is there a significant statistical difference at ?=0.01?
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