The sum of the squares of the deviations of the variable is when taken about arithmetic mean

Related MCQs

• The sum of deviations of observations from their arithmetic mean:
• 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 absolute deviations is minimum when taken from:
• The sum of squared deviations is minimum when taken from:
• The mean deviation is minimum when deviations are taken from:
• The arithmetic mean is 12 and the number of observations are 20 then the sum of all the values is
• From which average, the sum of deviations is zero?
• The sum of all the squared deviations is divided by the total number of observations to calculate
• If the sum of deviations from median is not zero, then a distribution will be:
• If the sum of squares of the rank differences of 10 pairs of values is 30, find the correlation coefficient between them.