Do shoppers at the mall spend the same amount of money on average the day after Thanksgiving compared to the day after Christmas? The 43 randomly surveyed shoppers on the day after Thanksgiving spent an average of $138. Their standard deviation was $42. The 49 randomly surveyed shoppers on the day after Christmas spent an average of $146. Their standard deviation was $49. What can be concluded at the a = 0.05 level of significance?

Q: could you explain the steps you took to get there ?

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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.