Mathematics, 18.10.2019 18:20, aredding7016

An article presents measures of penetration resistance for a certain fine-grained soil. fifteen measurements, expressed as a multiple of a standard quantity, had a mean of 2.64 and a standard deviation of 1.06. find a 95% confidence interval for the mean penetration resistance for this soil. round the answers to three decimal places.

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An article presents measures of penetration resistance for a certain fine-grained soil. fifteen meas...