"Weight (x)","Observed Frequency","Percentage"
"x < 130",7,2.28
"130 <,= x < 145",38,13.59
"145 <,= x < 160",100,34.13
"160 <,= x < 175",102,34.13
"175 <,= x < 190",40,13.59
"190 and over",13,2.28