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Question: Find the range of the number of skateboards owned by the students from the data given in the line plot.



A ) 5
B ) 6
C ) 4
D ) 3

Steps to derive

1 From the line plot, there are 3 students with 6 skateboards, which is the maximum.
 [Since there are 6 cross marks above the value 3.]

2 There are 4 students with 2 skateboards, which is the minimum.
 [Since there are 2 cross marks above the value 4.]

3 Range = Maximum value - Minimum value
 [Substitute and subtract.]
3 = 6 - 2 = 4

4 So, the range of the number of skateboards owned by the students is 4.



Hence the right answer is Option C

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