Question: A shampoo was sold in 4 different packaging in 12 retail stores with stores randomly assigned for selling each of the packaging. The data on

A shampoo was sold in 4 different packaging in 12 retail

A shampoo was sold in 4 different packaging in 12 retail stores with stores randomly assigned for selling each of the packaging. The data on the shampoo sold are as shown in table below. Does the packaging of the shampoo affected the average level of sales? Types of Packaging A B C D 40 53 48 48 44 54 38 61

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