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Mathematics Clinic => Statistics => Topic started by: sc00by25 on Aug 31, 2019

Title: Feral cats tend to be lighter than domestic cats, mainly due to a lack of regular access to food. An ...
Post by: sc00by25 on Aug 31, 2019
Feral cats tend to be lighter than domestic cats, mainly due to a lack of regular access to food. An animal shelter in Boston weighed a random sample of newly admitted stray cats over several weeks. They found that a 95% confidence interval for the mean weight (in pounds) of the cats was (8.6014, 9.9986). Which is true?
◦ 95% of all Boston stray cats weigh between 8.6014 and 9.9986 pounds.
◦ 95% of all samples would show a mean feral cat weight between 8.6014 and 9.9986 pounds.
◦ 95% of the cats they checked weighed between 8.6014 and 9.9986 pounds.
◦ We're 95% sure that the mean feral cat weight in Boston is between 8.6014 and 9.9986 pounds.
◦ There is a 95% chance that feral cats weigh between 8.6014 and 9.9986 pounds.
Title: Feral cats tend to be lighter than domestic cats, mainly due to a lack of regular access to food. An ...
Post by: zhanghao on Aug 31, 2019
We're 95% sure that the mean feral cat weight in Boston is between 8.6014 and 9.9986 pounds.