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Q: Find the mean proportion between 0.049 and 0.9.
  • A. 21
  • B. 0.21
  • C. 0.63
  • D. 0.021
Correct Answer: Option B - Mean proportion between 0.049 and 0.9 b² = ac b² = 0.049 × 0.9 b² = 0.0441 b = 0.21
B. Mean proportion between 0.049 and 0.9 b² = ac b² = 0.049 × 0.9 b² = 0.0441 b = 0.21

Explanations:

Mean proportion between 0.049 and 0.9 b² = ac b² = 0.049 × 0.9 b² = 0.0441 b = 0.21