An education researcher claims that 57​% of college students work​ year-round. In a random sample of 300 college​ students, 171 say they work​ year-round. At α=0.01​, is there enough evidence to reject the​ researcher's claim?    Find the standardized test statistic z.   z=   (f) Decide whether to reject or fail to reject the null hypothesis and​ (e) interpret the decision in the context of the original claim.   ▼ a.Fail to reject b.Reject the null hypothesis. There ▼ a.is not b.is enough evidence to ▼ a.reject b.support the​ researcher's 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.