Determine the mean of the numbers: [9,?6,?3,?11]
MATHEMATICS
SAT 2021
Determine the mean of the numbers: [9,?6,?3,?11]
- A. The mean does not exist.
- B. 29/4
- C. ?11/4
- D. 11/4
Correct Answer: C. ?11/4
Explanation
The mean is the average of all the numbers in the data set. Add the numbers provided. 9+(?6)+(?3)+(?11)=?11 Divide this value by four. ?11/4 The answer is: ?11/4
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