Question

Joseph measures the ropes to tie boats to a dock . He records the lengths of the ropes in feet and then makes a line plot. Joseph concludes that the difference between the longest and shortest lengths is 2 and 1/2 feet. Marta disagrees and says that there is no difference. Who is correct?

Answer 1

Joseph

is correct because you

subtract

the greatest and least lengths represented by the

intervals

, not the number of

dots

at the greatest and least lengths.

Explanation: