Save guides, add subjects and pick up where you left off with your BBC account. The class interval 0 ≤ \(x\) < 10 can have any values greater than or equal to 0 but less than 10 in it. This ...

When grouping data, it is important not to have an overlap of values in the class intervals. 0–5 and 5–10 would not be sensible groups as there is an overlap and 5 belongs in two class intervals.