A local children's boutique specializes in formal wear for young girls.It has recently hired a new seamstress.To assure the dresses have standard sizes, twenty samples of each 12 dresses that were labeled 3T were sampled.The average length from shoulder to hemline measured 21 inches with a range of 0.5 inches.A sample has just been taken with the following lengths: 21.25, 22.0, 21.5, 20.75, 21.25, 21.35, 21.35, 21.35, 21.35, 21.35, 21.35, and 21.35.Is the new seamstress performing at an acceptable quality level?

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The Answer of A local children's boutique specializes in formal wear for young girls.It has recently hired a new seamstress.To assure the dresses have standard sizes, twenty samples of each 12 dresses that were labeled 3T were sampled.The average length from shoulder to hemline measured 21 inches with a range of 0.5 inches.A sample has just been taken with the following lengths: 21.25, 22.0, 21.5, 20.75, 21.25, 21.35, 21.35, 21.35, 21.35, 21.35, 21.35, and 21.35.Is the new seamstress performing at an acceptable quality level?

A Local Children's Boutique Specializes in Formal Wear for Young