alleryStart learning →Which data set has the larger standard deviation?
ABoth are equal
BCannot say
C5, 10, 15
D10, 10, 10
Answer & Solution
Correct answer: C. 5, 10, 15
Both have mean 10, but 5, 10, 15 are spread out while 10, 10, 10 have zero spread.
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: