What is the median? 1,8,90,45,37,2,5
MATHEMATICS
SAT 2021
What is the median? 1,8,90,45,37,2,5
- A. 8
- B. 3.5
- C. 5
- D. 45
Correct Answer: A. 8
Explanation
When finding the median, you are looking for the middle number. Always arrange the numbers in ascending order. Since, the numbers are not in inceasing order, let's arrange it. It should look like: 1,2,5,8,37,45,90. Now, let's count the numbers in the set which is seven. Then divide seven by two. We do this because we will split the number set in half. Because seven doesn't divide evenly into two, this means we can easily determine the median. Since seven divided by two is 3.5, we are going to eliminate three numbers from leftmost in number set toward the right direction and three numbers from rightmost in number set toward the left direction. The only number left is 8 and therefore is the right answer.
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