Solve Q. The mean of a certain number of observations is 35. What is the new value of the mean if each observation is decreased by 30 %. Share with your friends Share 0 Ankita Agarwal answered this Dear Student, Given: Mean = 35Let the total number of observations be n.Original Mean = Sum of observationsnumber of observationIt is given that each observation is decreased by 30%, i.e. the total sum of the observations will be decreased by 30%.New mean = 0.7×Sum of observationsnNew mean = 0.7 × Original meanNew mean = 0.7×35 = 24.5 Regards 1 View Full Answer Chinmay Kapoor answered this Not clear enough 1 Chinmay Kapoor answered this Send image again 1