Question

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the data set {55, 40, 30, 60, 35, 50} represents the number of minutes spent practicing piano. what is the median of the data set?
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Explanation:

Step1: Sort the data set

$30, 35, 40, 50, 55, 60$

Step2: Find middle two values

Middle values: $40$ and $50$

Step3: Calculate their average

$\frac{40 + 50}{2} = 45$

Answer:

45