Mathematics, 11.05.2021 19:00 lizzyhearts

Biologists studying the healing of skin wounds measured the rate at which new cells closed a razor cut made in the skin of an anesthetized newt. The sample of 18 newts found the mean healing rate to be 25.67 micrometers per hour with a standard deviation of 8.324 mocrometers per hour and the data looked approximately normal. a. Find the 95% confidence interval of this mean.

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