Question:
The average of seven observations 7, 9, 12, x, 5, 4, 11 is 9. The value of x is A) 13 B) 14 C) 15 D) 8 A. A B. B C. C D. D
Author: Dr Vicki D BealmanAnswer:
Correct Answer(s) C. C
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Author
Dr Vicki D Bealman