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A group of 70 Western Grey Squirrels was studied in Los Angeles. The sample mean of these squirrels was found to be 1.73 pounds. Based

A group of 70 Western Grey Squirrels was studied in Los Angeles. The sample mean of these squirrels was found to be 1.73 pounds. Based on previous studies we can assume that the standard deviation of this squirrel population, , is 0.13.

Find a 90% confidence interval for the average weight of Western Grey Squirrels in the study region. (Round to three decimal places)

Interpret your result.

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