A survey of nonprofit organizations showed that online fundraising has increased in the past year. Based on a random sample of 50 ​nonprofits, the mean​ one-time gift donation in the past year was ​$40​, with a standard deviation of $9.Complete parts a and b below. a. Construct a 95​% confidence interval estimate for the population​ one-time gift donation.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.