The amount that two groups of students spent on snacks in one day is shown in the dot plots below.

group a

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0. 1. 2. 3. 4. 5

group b

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0. 1. 2. 3. 4. 5

which statements about the measures of center are true?

select three !

the mean for group a is less than the mean for group b.

the median for group a is less than the median for group b.

the mode for group a is less than the mode for group b.

the median for group a is 2.

the median for group b is 3.