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A weather station in Antarctica has taken daily measures of temperature. A random sample of 64 daily measurements showed a mean daily temperature of -60F

A weather station in Antarctica has taken daily measures of temperature. A random sample of 64 daily measurements showed a mean daily temperature of -60F with a standard deviation of 15F. Construct the 90% confidence interval for the mean daily temperature. What is the upper limit of this interval? NOTE: WRITE YOUR ANSWER USING 4 DECIMAL DIGITS. DO NOT ROUND UP OR DOWN

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