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Assume that the time in days required for maturation of seeds of a species of Guardiola, a flowering plant found in Mexico, is normally

Assume that the time in days required for maturation of seeds of a species of Guardiola, a flowering plant found in Mexico, is normally distributed. A random sample of 13 seeds yielded an average time for maturation of 18.97 days with a variance of 10.70. Find a 90% confidence interval for the population variance of time to maturation. (Round your confidence limits to 2 decimal places)

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