Question 36

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Jambmaths question: 

The modal height and range of height

1.35, 1.25, 1.35,. 1.25, 1.40, 1.35, 1.45, 1.50, 1.35, 1.50 and 1.20 are m and r respectively. Find m + 2r

Option A: 

3.00

Option B: 

1.95

Option C: 

1.65

Option D: 

1.35

Jamb Maths Solution: 

Modal height = 1.35

Range = 1.50 – 1.20 =0.30

$m+2r=1.35+2(0.30)=1.35+0.60=1.95$

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