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A website owner has data on the total number of log-ins to a website for 20 different randomly selected users from 2018. The owner

A website owner has data on the total number of log-ins to a website for 20 different randomly selected users from 2018. The owner would like to know, with 95% confidence, an interval that contains the mean number of log-ins of all users of the website in 2018. Without actually calculating the confidence interval, name and briefly explain two techniques you'd use to calculate it.

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