Time on homework I

This task is about interpreting statements about a dot plot.
This dot plot shows how much time the students in Room 11 spent on their homework on Wednesday night.
 
time-spent-on-homework-dot-plot.png
Use the dot plot to decide whether each of the following statements is True or False.  
Select the correct answer.

Question 2Change answer

a)  There are 28 students in the class.  TrueFalse

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b)  4 students spent no time on their homework.  TrueFalse

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c)  No students spent exactly 75 minutes on their homework.  TrueFalse

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d)  13 students spent more than 30 minutes on their homework.  TrueFalse

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e)  Fewer students spent 60 minutes on their homework than spent 90 minutes on their homework.  TrueFalse

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f)  5 more students spent 30 minutes on their homework than spent 45 minutes on their homework.  TrueFalse

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g)  3 more student spent 60 minutes on their homework than spent 45 minutes on their homework.  TrueFalse