find the mode a d range of the information.
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Total no. of students= 18
x+x+1+2x+3x-2+x+3 = 18
8x+2=18
8x = 16
x=2
WEIGHTS
33=x=2
35=x+1=2+1=3
37=2x=2×2=4
39=3x-2=3×2-2=4
42=x+3=2+3=5
Range= highest-lowest
= 5-2=3
Mode= 5
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