Median of the set 120, 130, 150, 160 is:

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Multiple Choice

Median of the set 120, 130, 150, 160 is:

Explanation:
The main idea is how to find a median when there are an even number of values: you take the average of the two middle numbers. The data in order are 120, 130, 150, 160, so the two middle values are 130 and 150. Their average is (130 + 150) / 2 = 140, so the median is 140. This sits right in the middle of the dataset, whereas the other possibilities would not reflect the central position for four numbers.

The main idea is how to find a median when there are an even number of values: you take the average of the two middle numbers. The data in order are 120, 130, 150, 160, so the two middle values are 130 and 150. Their average is (130 + 150) / 2 = 140, so the median is 140. This sits right in the middle of the dataset, whereas the other possibilities would not reflect the central position for four numbers.

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