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Identify the class width, class midpoints and class boundaries for the given frequency distributions.

Daily Low Temp Frequency Daily Low Temp Frequency
50-52 1 62-64 7
53-55 3 65-67 7
56-58 5 68-70 1
59-61 11

a) What is the class width ???

b) What are the class midpoints?
_,_,_,_,_,_,_ (use ascending order)

c) What are the class boundaries?
_,_,_,_,_,_,_,_ (use ascending orders)

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