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4. A drug manufacturing company conducted a survey of customers. The research question is: Is there a significant relationship between packaging preference (size of the bottle purchased) and economic status? There were four packaging sizes: small, medium, large, and jumbo. Economic status was: lower, middle, and upper. The following data was collected. Please perform a Chi-square test and explain your results. Please show each detailed step for calculations. You are welcome to use software package to valid your results after your hand calculation. , Lower Middle Upper,Small 24 22 18,Medium 23 28 19,Large 18 27 29,Jumbo 16 21 33,,4. A drug manufacturing company conducted a survey of customers. The research question is: Is there a significant relationship between packaging preference (size of the bottle purchased) and economic status? There were four packaging sizes: small, medium, large, and jumbo. Economic status was: lower, middle, and upper. The following data was collected. Please perform a Chi-square test and explain your results. Please show each detailed step for calculations. You are welcome to use software package to valid your results after your hand calculation. , Lower Middle Upper,Small 24 22 18,Medium 23 28 19,Large 18 27 29,Jumbo 16 21 33,

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