alleryStart learning →The root mean square deviation of a data set is smallest when taken about:
AThe mean value
BThe largest value
CThe mode value
DThe mid-range value
Answer & Solution
Correct answer: A. The mean value
The spread measured from the mean is smaller than from any other point.
Keep practising Measures of Central Tendency and Dispersion
Browse all Measures of Central Tendency and Dispersion questions for CA Foundation, or explore more Quantitative Aptitude topics.
Related questions
A data set has median 10. Every value is tripled and then 4 is subtracted. The new median Every observation is doubled and then 5 is added. A mode of 6 becomes:In actuarial science, the coefficient of variation is known as:When the mean is close to zero, the coefficient of variation tends to:The coefficient of variation of an exponential distribution equals:For the progression 7, 11, 15, 19, 23 the mean and median are both:Which measure of dispersion uses only the largest and smallest values?Heights of plants are in centimetres. The range of these heights is expressed in: