In 2014, the variance of the ages of all workers at a large company that has more than 30,000 employees was 133. A recent random sample of 25 workers selected from this company showed that the variance of their ages is 112. Using a 2.5% significance level, can you conclude that the current variance of the ages of workers at this company is lower than 133?

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A:

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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.