Social & Preventive Medicine If each value of a given group of observation is multiplied by 10, the standard deviation of the resulting observation is – A Original std. Deviation × 10 B Original std. Deviation/10 C Original std. Deviation -10 D Original std. Deviation itself 💡 Explanation If each value of a given group of observation is multiplied by 10, the standard deviation of the resulting observation is - ✓ Correct Answer: A. Original std. Deviation × 10