Find the median: a=[?5,?1?1,0,?2,?9]
MATHEMATICS
SAT 2021
Find the median: a=[?5,?1?1,0,?2,?9]
- A. ?3/2
- B. ?1/2
- C. {There is no median.}
- D. ?1
Correct Answer: A. ?3/2
Explanation
First regroup all numbers in chronological order. a=[?5,?1?1,0,?2,?9]=[?9,?5,?2,?1,?1,0] Since there is an even amount of numbers in the dataset, 6 numbers total, the median will be the average of the third and fourth numbers. Find the mean of the two numbers. ?2?1/2=?3/2
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