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The median of the following data set: 3, 7, 9, 15, 20 is?

Practice Questions

Q1
The median of the following data set: 3, 7, 9, 15, 20 is?
  1. 7
  2. 9
  3. 15
  4. 20

Questions & Step-by-Step Solutions

The median of the following data set: 3, 7, 9, 15, 20 is?
  • Step 1: Write down the data set: 3, 7, 9, 15, 20.
  • Step 2: Arrange the data in order from smallest to largest (if not already done). The data is already in order: 3, 7, 9, 15, 20.
  • Step 3: Count how many numbers are in the data set. There are 5 numbers.
  • Step 4: Find the middle number. Since there are 5 numbers (an odd amount), the middle number is the 3rd number in the list.
  • Step 5: Identify the 3rd number in the ordered list, which is 9.
  • Step 6: Conclude that the median of the data set is 9.
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