question_answer

Four students measured the length of a box using their own spans and measurements as given below. What do you conclude from the data?

Student	Length of box (in spans)
M	4
N	\[3\frac{1}{2}\]
O	5
P	\[4\frac{1}{2}\]

A)  Span is suitable for measuring length

B)  The length of a span differs from person to person  

C)  Student 'O' has the shortest fingers

D)  The fingers of the student M are longer than those of student P