The marketing directorexpects an average of

    5 percent level of significance#4. Lady GaGa Doll. Holiday Toys distributes its product, a Lady GaGa doll, through 1000 retail outlets. The marketing directorexpects an average of 40 dolls to be ordered by each retail outlet. Before production starts, the company decides tosurvey 25 retailers and test the marketing director’s prediction. The sample mean is 37.4 units and the samplestandard deviation is 11.79.

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