Tom recieved an 87%, 92%, 77%, and 90% on his 4 exams. Find the mean
MATHEMATICS
SAT 2021
Tom recieved an 87%, 92%, 77%, and 90% on his 4 exams. Find the mean of these scores.
- A. 86%
- B. 87%
- C. 86.5%
- D. 85%
Correct Answer: C. 86.5%
Explanation
To find the mean of a certain set of numbers we need to add all enteries together and then divide by how many numbers you have. In our case we do: (87+92+77+90)/4 = 86.5
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