4. A school has a toy drive for a holiday in which students bring in toys to be donated to charity. The number of toys donated by juniors and seniors are summarized in the histograms. 55 55 50 50 45 45 40 40 35 35 30 30 number of juniors number of seniors 25 25 20 20 15 15 10 10 5 5 0 0 4 8 0 2 4 2 10 number of toys donated to charity 6 8 10 number of toys donated to charity Is the standard deviation of number of toys donated greater for seniors or juniors?

definition: a circle is the  set of all points in a plane that are equidistant  from a given  point  called the center of the circle. we use the symbol ⊙ to represent a circle. the a line segment from the center of the circle to  any point  on the circle is a radius of the circle.

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i googled it and this is what i got i don't know how it is. sorry.

i believe the answer is 323 ft

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um is there supposed to be a picture?