The dot plot below shows the amount of time two random groups of students took to brush their teeth:

Question

anonymous · Answer

attachment

anonymous · Answer

Based on visual inspection of the dot plots, which of the following groups, if any, shows a greater average time required to brush their teeth?

 Group R
 Group S
 Both groups show about the same average time.
 No conclusion about average time can be made from the data.

anonymous · Answer

I would think they are about the same average time.

anonymous · Answer

Do you wanna know why?

anonymous · Answer

You there Rachel?

anonymous · Answer

yeah sry...why?

anonymous · Answer

You have to look at the distribution of the time it takes for everyone .

anonymous · Answer

You would think R takes more time than the other one but then again R has more guys that finish quicker

anonymous · Answer

but at the same time they got guys that last longer too

anonymous · Answer

Did you get it ?