MathematicsFind the mean deviation of 2, 4, 5, and 9 Find the mean deviation of 2, 4, 5, and 9 A. 1 B. 2 C. 5 D. 7Correct Answer: Option BExplanationX = ^{20}/_{4} = 5 mean deviation = ^{8}/_{4} = 2FacebookTwitterRedditPinterestEmailLinkedInWhatsApp
Evaluate (frac{0.8 times 0.43 times 0.031}{0.05 times 0.72 times 0.021}). Correct to four significant figures.