Question

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the students in a class collected data on the number of minutes some of them spend brushing their teeth every day. that data is shown in the dot plot below.
brushing teeth
(there is a dot plot here with the x - axis labeled time brushing (minutes) from 0.5 to 4.5, and dots at 2.5 (two dots), 3.5 (one dot), 4 (one dot))
how many students brushed their teeth for less than 3.5 minutes?
answer attempt 1 out of 2
students

Explanation:

Step1: Count dots <3.5 mins

Dot plot: 2 dots at 2.5, 0 at 3 → total 2.

Answer:

2