What is the interquartile range of this data set?

7, 4, 6, 2, 8, 1, 10, 5, 7, 4, 9, 11, 13

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answer: get more recipes with 3 magazines for $20! i often use chicken broth instead of water. 3 tablespoons butter, divided; 1/2 cup freshly grated parmigiano-reggiano bring water and salt to a boil in a large saucepan; pour polenta slowly into 5 minutes to thicken; stir and taste for salt before transferring to a serving bowl.

8 < i think

hope this !