A study on college students found that men had an av weight of about 66kg and a SD of 9kg. The women had an av weight of about 55 kg and a SD of 9kg
A) find the averages and sD in pounds 1kg = 2.2lb
B) just roughly, what percentage of men weighed between 57 kg and 75kg?
C) if you took the men and women torture would the SD of their weights be smaller than 9kg just about 9kg or bigger than 9 kg? Why?