Question: I want an explanation for this example : The histogram shows the heights of students in a class. Answer the following questions: (a) How many

I want an explanation for this example :

The histogram shows the heights of students in a class. Answer the following questions:

(a) How many students were surveyed? __________________________

(b) What percentage of students are taller than or equal to 50 inches but less than 60 inches? __________________________

Round answers to two decimals, if necessaryand insert % symbol.

I want an explanation for this example :The histogram shows the heights

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