The manager at a local grocery store thinks customers might benefit from a self-checkout aisle because the variation in customer wait times at checkout is high enough to warrant providing alternative checkout options for customers with fewer needs. To aid the decision, the manager decides to analyze the standard deviation of the wait times for a random selection of 30 customers. Would it be more appropriate to find a sample standard deviation or population standard deviation in this situation? Select the correct answer below:   A. Sample standard deviation B. Population standard deviation

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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.