A research center claims that at least 26​% of adults in a certain country think that their taxes will be audited. In a random sample of 800 adults in that country in a recent​ year, 23​% say they are concerned that their taxes will be audited. At α =0.01​, is there enough evidence to reject the​ center's claim?  Find the standardized test statistic z = ?   Decide whether to reject or fail to reject the null hypothesis and​ (e) interpret the decision in the context of the original claim.

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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.