A business consultant believes consumers equally prefer four brands of coffee (A, B, C, D). He collects a random sample of 400 consumers with the following results on preferences: Observed Frequency of Preferences Brand A 102 B 121 C 120 D 57 Use a Excel spreadsheet to test this hypothesis at the 0.05 level. Submit the Excel spreadsheet you create along with an explanation of results (either in your pdf or on the Excel spreadsheet

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A: Brand A Brand B 116 114 107 102 101 100 97 94 94 90 here  n=5

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Q: Ghughu

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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.