The sum of deviations of observations from their arithmetic mean:

Related MCQs

• The mean of 10 observations is 10. All the observations are increased by 10%. The mean of increased observations will be:
• The sum of the squares of the deviations of the variable is when taken about arithmetic mean
• The arithmetic mean is 12 and the number of observations are 20 then the sum of all the values is
• The arithmetic mean of the marks obtained by 50 students was calculated as 44. It was later discovered that a score of 36 was misread as 56. Find the correct value of arithmetic mean of the marks obtained by the students.
• The sum of all the squared deviations is divided by the total number of observations to calculate
• The sum of absolute deviations is minimum when taken from:
• The sum of squared deviations is minimum when taken from:
• From which average, the sum of deviations is zero?
• If the sum of deviations from median is not zero, then a distribution will be:
• The mean deviation is minimum when deviations are taken from: