What is the median? 15,26,4,36,79,100

MATHEMATICSSAT 2021

What is the median? 15,26,4,36,79,100

  • A. 52.5
  • B. 20
  • C. 3.5
  • D. 31

Correct Answer: D. 31

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 order, lets arrange them. The new set is 4,15,26,36,79,100. Then, we count the numbers in the set. There are six. Then divide six by two. We do this because we will split the number set in half. Because six does divide evenly into two, this means we can't easily determine the median. Since six divided by two is three, 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 last number crossed out in both direction are 26 and 36. To find the middle number, just add both numbers and divide by two. 26+36/2=62/2=31 That's the final answer.

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