1) Sam Pull obtained a distribution representing a sample of quiz scores : 7 8 8 10 13 13 13 16 a) n = _____ b) x = ______ c) x 2 = _____ d) mean = x=_____ e) median = _______ f) mode = ______ g) Find the variance of the sample s2 = ________ h) Find the sample standard deviation s = _______ i) How many scores are within one standard deviation of the mean?___________ j) How many scores are within two standard deviations of the mean?__________ k) If 20 is added to each quiz score, find the i) new mean = _____ ii) new variance = _________ iii) new standard deviation = ________ l) If 10 is multiplied to each score, find the i) new mean = _____ ii) new variance = _____ iii) new standard deviation = ________