A random sample of 120 people who shop for groceries exclusively at Harris Teeter found that 25% primarily use online ordering for their family's groceries.  A random sample of 150 people who shop for groceries exclusively at Giant found that 36% primarily use online ordering for their family's groceries.  Is this evidence that there is a difference between the two stores for the proportion of people who shop online for groceries?  Use a significance level of α=0.05 for your inference procedure.

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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.