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n a metal fabrication process, metal rods are produced to a specified target length of 15 feet. A quality control specialist collects a random sample

n a metal fabrication process, metal rods are produced to a specified target length of 15 feet. A quality control specialist collects a random sample of 16 rods and finds the sample mean length to be 14.8 feet with a sample standard deviation of 0.65 feet. When constructing a 95% confidence interval for the population mean, the margin of error is:

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