Statistics: Confidence Intervals – Calculation – #2734


Question: The office manager for a large company is studying the usage of its copier machines. A random sample of six of its machines revealed the following number of copies made in one day: 826 931 1,126 918 1,011 and 1,124. Use this information to create a 95% confidence interval to estimate the true average number of copies made each day at this company.

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