alleryFor any data set, what is the sum of deviations from its arithmetic mean?
AThe mean
BZero
CThe count
DThe total
Answer & Solution
Correct answer: B. Zero
Subtracting the mean n times from a total equal to n times the mean leaves zero.
Keep practising Statistics and Probability
Browse all Statistics and Probability questions for ICSE Class 10, or explore more Mathematics topics.
Related questions
Match each central tendency measure with its best application:Match each cumulative frequency curve (Ogive) feature with its property:Match each statistical relationship with its rule:Match each central tendency measure with its grouped data formula:A class has midpoint 15 and width 10. Which continuous interval fits?Values 1,2,3 occur 2,5,2 times respectively. What is the median?A data set has unique mode 7. Adding 4 to every value gives which mode?Every measurement is increased by 5. How does its interquartile range change?