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Biologists studying the healing of skin wounds measured the time taken for new cells to close...

Biologists studying the healing of skin wounds measured the time taken for new cells to close a razor cut made in the skin of an anesthetized newt. Based on the data from 10 newts, the following 98% confidence interval for the mean healing time for all newts of this species was produced, (30.28, 43.58). What was the sample standard deviation?
math   Statistics-And-Probability   
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