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Histograms

A histogram is a type of bar graph that represents the frequency of data that has been grouped in several intervals.

1. How many workers are in the maximum salary group? 5 workers.
2. In which salary group are the maximum workers? 930-940.
3. What is the size of each class? 10.
4. How many workers get less than $930? 55 workers. 5. How many get$930 or more? 70 workers.
6. What is the total number of workers? 125 workers.

Given here is the histogram depicting the weight (in Kg) of some students.

How many students weigh 40 kg or more?

Solution: students