Question

A person has decided to construct a frequency distribution for a set of data containing 100 numbers. The lowest number is 20 and the highest number is 80. If 5 classes are used, the class width should be approximately _______.

Answer 1

Answer:

The answer is "12".

Step-by-step explanation:

Lowest number$=20$

highest number$=80$

Number of classes$=5$

Range=highest number-lowest number

          $=80-20\\\\=60$

class width $=\frac{Range}{\text{number of classes}}$

                   $=\frac{60}{5}\\\\=12$