Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be? 50-20=30 50/20 70 50 Right Answer: 50 Share : January 4, 2018 Asghar Khan Statistic Total 1 Votes: 0 1 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -—— is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?The sum of squared deviations of a set of n values from their mean is?If a and b are two constants, then Var(a+bX)Var(a+bX) is?