Mathematics

Mathematics

Problem

For a set of test marks recorded in the discontinuous classes 0–9, 10–19, 20–29 and 30–39, which of the following shows the continuous form of the class 10–19? a) 10.0−19.510.0-19.5 b) 10.5−19.510.5-19.5 c) 9.5−19.59.5-19.5 d) 10.0−19.910.0-19.9

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