The first step is to determine how many classes you want to have. Next, you subtract the lowest value in the data set from the highest value in the data set and then you divide by the number of classes that you want to have: Example 1: Group the following raw data into ten classes.
Which type of snake typically has oval shaped head and round eyes? As a general rule of thumb, non-poisionous snakes usually have oval shaped heads and round eyes. Venomous snakes tend to have more angular heads and eyes. Nearly impossibl â¦ e to answer here, many snakes have oval shaped heads and most of the harmless snakes have round pupils. One venomous snake that would fit this category is the Coral snake. Which type of snake typically has oval-shaped heads and round eyes?
(Redirected from Grass Snake). This article is about the European grass snake or ringed snake Natrix natrix. Grass snake is also used in North America to refer to the smooth green snake (Opheodrys vernalis) and the rough green snake (O. aestivus).The grass snake (Natrix natrix), sometimes called the ringed snake or 'water snake', is a Eurasian non-venomous snake.It is often found near water and feeds almost exclusively on amphibians.n Great Britain, the grass snake is the largest reptile, reaching up to 190 centimetres (6 ft 3 in) total length, though such large specimens are rare. Females are considerably larger than males, typically reaching a size of 90â110 centimetres (2 ft 11 inâ3 ft 7 in) when fully grown.